mcqs of chemistry of second year

8/13/2019 MCQs of Chemistry of Second Year

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CHAPTER # 1Periodic Classification of Elements & Periodicity

1. Which of the following pairs are chemicallydissimilar?

(A) Na and K (B) Ba and Sr

(C) r and !f (") Ca and n.

#. $he total n%m&er of inner transition elementsis

(A) 1' (B) 1(C) # (C) *'

*. $he al+ali metal which is li,%id at 1-oC is

(A) K (B) Cs(C) Na (") None

. Which of the following ion will form most watersol%&le hydroide?

(A) K/ (B) Ni#/

(B) n#/ (C) Al*/

-. Which of the following has greatest tendencyto lose electron?

(A) 0 (B) 0r(B) S (C) Be.

. $he oide of which of the following elements

will &e acidic in character

(A) 2g (B) 3&(C) 4i (C) C5

6. Which of the following is isoelectronic withcar&on atom?

(A) Na/ (B) Al*/

(C) 7#8 (") N/

. Which of the following ions are paramagneticin character?

(A) n#/ (B) C%/

(C) Ni#/ (") Ag/

9. Ca#/ion is isoelectronic with

(A) 2g#/ (B) Na/

(C) Ar (") Kr

1'. :rad%al addition of electronic shells in theno&le gases ca%ses a decrease in their

(A) 5oni;ation energy (B) atomic radi%s(C) Boiling point (") density.

11. Which of the following has highest firstioni;ation potential?

(A) Car&on (B) 7ygen(C) Nitrogen (C) Boron.

1#. Which of the following has the smallest si;e?

(A) Na/ (B) 2g#/

(C) Al*/ (") C5

1*. Which of the following element has themaim%m electron affinity?

(A) 0 (B) S(C) 5 (") C5.

1. Which of the following is isoelectronic as wellas has the same str%ct%re as that of N#7 ?

(A) N*! (B) !#7(B) N7# (C) C7#

1-. $he atomic radi%s increases as we mo


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19. 5onic radii are

(A) "irectly proportional to s,%are of effecti


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*6. =lements with se the smallestelements in the periodic ta&le is

a) 4ithi%m &) 0l%orinec) Cesi%m d) 5odine

-#. Which halogen has the smallest electronaffinity?

a) 0 &) Clc) Br d) 5

-*. $he element with atomic n%m&er 6 is li+ely toha


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a) Na/ and 7 &) Na/ and K/c) Na/ and Ne d) Ne and 7

-6. Which of the following is a trans%ranicelement?

a) Americi%m &) Fl%toni%mc) Nept%ni%m d) All of these

-. $he hydrogen> which is present in theatmosphere of s%n and stars in a largeamo%nt> isa) !# &)!c) !/ d) !8

-9. Cesi%m and 0ranci%m are li,%ids a&o the halogens

a) 4ose their o%termost electrons less easily&) Become less densec) Becomes lighter in colord) :ain electrons less easily

#. $he electron affinity of fl%orine is

a) H *. +IJmol &) H **6 +IJmolc) **6 +IJmol d) *. +IJmol

*. Which ionic halides ha non metals and their deri


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d) Atomic n%m&er of the middle element wasfo%nd t &e approimately the mean of theother two elements of a triad.

6. $he law of octa


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oygen &eca%se of a) 2ore attraction of electrons &y the n%cle%s&) 2ore penetration effectc) $he etra sta&ility of half filled p H or&itald) $he si;e of nitrogen atom is smaller.

9. ion has the largest radi%s.

a) Al/* &) Cl81c) 081 d) 78#

9-. 5onic hydrides are %s%ally

a) 4i,%ids at room temperat%re&) :ood red%cing agentsc) :ood electrical cond%ctors in solid stated) =asily red%ced.

9. $he hydroni%m ion is aJan

a) 5on with form%la !#7/&) 5on with the form%la !*7/

c) 0ree radical rather than an iond) 5on formed &y remo


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(A) Be (B) Sr(C) 3& (") Cs

11. $he chemical form%la of syl #!#7(gyps%m)(C) NaN7# (") 4iN7*

#. $he root system of ses cell(C) 2olten sodi%m hydroide in downOs cell(") None of the a&o


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a) Si L AP &) Ca L 2gc) B L AP d) All

*1. $he oides of Be are

a) Acidic &) Basicc) Amphoteric d) None

*#. Car&onates of lithi%m are not sta&le li+e that ofsodi%m d%e to

a) 4ow electronegati


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-'. All al+aline earth metals react with water atroom temperat%re to release hydrogen andgi which is o&tained at cathode inthe "owns cell is

a) 4i,%id Sodi%m &) "ry chlorinec) Water d) !ydrogen

-6. Which is man%fact%red &y the electrolysis off%sed sodi%m chloride?

a) Na7! &) Na!C7*c) Na d) Na#C7*

-. Which of the following does not cond%ctelectricity?

a) Boron &) :alli%mc) 5ndi%m d) $halli%m

-9. Which al+ali metal is rare and fo%nd in a smallamo%nt in all H igneo%s roc+s?

a) 4i &) Nac) K d) 0r

'. $he ingredient of &a+ing powder is

a) Na!C7* &) Na7!c) Na#C7* d) NaCl

1. $he form%la of plaster of Faris is

a) CaS7 &) CaS7.!#7c) CaS7.#!#7 d) #CaS7.!#7

#. Which of the following is fl%orspar?

a) Ca7 &) CaC7*c) Ca0# d) Na7!

*. Fotassi%m is +ept in

a) Water &) Alcoholc) Ammonia d) Kerosene oil

. Which one has high m.p?

a) NaCl &) NaBr c) Nal d) Na0

-. Which one of the following is most &asic?

a) Al#7* &) Si7#c) F#7- d) 2g7

. :yps%m is

a) CaS7.#!#7 &) CaS7.!#7c) CaS7 d) 2gS7

6. Which one is commonly %sed as ala&oratory desicator?

a) Na#C7* &) NaClc) CaCl* d) Na7!

. $he radioacti


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c) 3a d) 7s

61. Which imp%rities are present in common salt?

a) Na#S7 &) CaS7c) CaCl# d) All of these

6#. K can displace Na from NaCl d%e to

a) :reater 5.F of K&) :reater 5.F of Nac) 2ore electropositi


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a) NaN!# &) NaN7#c) Na(N!*)# d) Na*N

9. Sodi%m metal can &e stored %nder

a) Ben;ene &) Kerosenec) Alcohol d) Water

9'. Chile s%lph%r is

a) NaN7# &) KN7#c) NaN7* d) KN7*

91. Al+ali metals do not eist in

a) 2onoatomic &) "iatomicc) $riatomic d) None of these

9#. 5n general al+ali metals act as

a) 3ed%cing agents&) 7idi;ing agentsc) Both red%cing and oidi;ing agentsd) None of these

9*. Sodi%m is not o&ser


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CHAPTER # 3ro!" and $ Elements

1. Which metal is %sed in the thermal process&eca%se of its acti al%min%m> galli%m> indi%m andthalli%m.

(B) Boron galli%m> thalli%m.(C) Al%min%m> calci%m> stronti%m.(") All of the a&o


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#1. :ro%p 5 A elements form.

(A) S%per oide (B) 7ides(C) "ioide (") All of the a&o


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*. Boron in soil has &een considered essentialspecially for

a) Soil porosity&) Froper growth of plants

c) Al+alinity of soild) All

*9. Special feat%re of &orate glass is that it is

a) !eat resistant&) 4ow meltingc) Gsed to prepare chemical gardend) All

'. 5n p H &loc+ elements> the S H electrons ofo%ter shell of the hea &eca%se they

a) 3emain paired &) 3emain %npairedc) Are free d) None of these

1. $he tendency of the pair of S H electron toremain inert increase with the increase in

a) Atomic n%m&er &) Atomic weightc) =.N d) 5.F

#. Boron does not easily form cations> &eca%se ithas the tendency to form &ond li+e non8metal

a) 5onic &ond &) 2etallic &ondc) !ydrogen &ond d) Co is

a) Na7! &) !*B7*c) Na#B76.1'!#7 d) !#B76

. 7rtho&oric acid is wea+ acid &eca%se it

a) Accepts 7!81ion &) "onate 7!81ionc) Accept !/1 d) "onate !/1

9. $he a,%eo%s sol%tion of which acid is %sed forwashing eyes?

a) !#B76 &) !Clc) !*B7* d) !B7#

-'. $he process in which Ba%ite is p%rified &ydissol


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c) 2agnali%m d) Al%mini%m &ron;e

-6. C%pric oide on heating with B#7*yields &l%ecolored &eads in the oidi;ing flame &eca%se

a) C%pric &orates are white in color

&) C%pric &orates are &lac+ in colorc) C%pric &orates are green in colord) C%pric &orates are &l%e in color

-. 5n mordenting al%mini%m ions (Al/*) areprecipitated on the cloth as

a) Al#7* &) AlNc) Al(7!)* d) AlCl*

-9. Flatin%m metal can &e dissol this is d%eto formation of protecti its chemicalname is

a) Car&on dioide &) Fhosphonyl chloridec) Car&on monoide d) Car&onyl chloride

6*. $he maim%m inert pair effect is shown &y

a) B &) Alc) :a d) $l

6. R%art; is the polymeric form of

a) (Si7#)n &) (C7#)nc) (C!#H C!#)n d) None of these

6-. 5f a metal is protected &y an oide layer fromf%rther attac+> the metal is said to &e

a) 3eacti


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66. $he control addition of 555 A and 5 A mem&ersin Silicon and :ermani%m is +nown as

a) 5nert pair effect &) "opingc) 4itharge d) 3ed lead

6. F H type of semi cond%ctor are formed &ymiing Silicon or :ermani%m with mem&ers of

a) 555 A &) 5 Ac) A d) 5 A

69. 4itharge is chemically

a) F&7 &) F&7#c) F&*7 d) F&(C!*C77)

'. $he 7ctet r%le is not followed &y

a) Boron on BCl* &) 7ygen in !#7c) Nitrogen in N!* d) Fhosphor%s in F!*

1. Which of the following elements showoidation state of / * only?

a) B &) :ac) 5n d) $i

#. of the following is not metallic innat%re.

a) Boron &) Al%min%mc) 5ndi%m d) $halli%m

*. $he oides of Boron are in nat%re.

a) Acidic &) Basicc) Ne%tral d) None of these

. 7rtho&oric acid on heating to a&o%t 1''oClooses a water molec%le to form

a) 2eta&oric acid&) Fyro&oric acidc) 2eta&oric and pyro&oric acidd) None of these

-. $he f%nction of 0l%orspar in the electrolytic

red%ction of al%mina dissol


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96. Al%min%m is diagonally related to

a) 4i &) Sic) Be d) B

9. Which of the following halides is least sta&leand has do%&tf%l eistence?

a) Cl &) Sn5c) :e5 d) F&5

99. 5n which of the following phosphor%s has anoidation state of / ?

a) F7 &) F7c) F79 d) None of these

CHAPTER # %

ro!" $ and $ Elements

1. 7%t of all the elements of gro%p A the highestioni;ation energy is possessed.

(A) N (B) F(C) S& (") Bi

#. 5n gro%p A elements the mostelectronegati


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11. Arsenic and antimony are

(A) 2etals (B) Non82etal(C) 2etalloids (") None of the a&o N7 and N7#(B) N7> N7#

(C) N#7> N7#(") N#7> N7> N7#> N#7*L N#7-

1-. "i8Nitrogen oide is a colo%rless gas.

(A) With a faint pleasant smell and a sweetishtaste.

(B) With %npleasant smell and &itter taste.(C) With pleasant smell and &itter taste.(") With %npleasant smell and sweetish

1. Nitric acid is %sed for.

(A) 2a+ing


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a) 0eS7.N7 &) 0eS7.N7#c) 0eS7.N7* d) None of a&o


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a) C7# &) C!c) N7 d) B0*

-*. $he starting material in Bir+land and =ydeprocess for man%fact%ring of !N7*is

a) N!* &) N7#

c) Air d) NaN7*

-. 5n ma+ing safety matches we %se

a) White phosphor%s&) :ray phosphor%sc) iolet phosphor%sd) 3ed phosphor%s

--. Which is most sta&le isotope of s%lph%r?

a) Flastic s%lph%r &) 2onoclinic s%lph%rc) 3hom&ic s%lph%r d) Colloidal s%lph%r

-. ConsiderN!N7* heatinggentle Frod%ct$he prod%ct formed is

a) N#7 &) N#c) N7 d) N#7*

-6. $he prod%ct formed &y heating mit%re of N7and N7#are

a) N#7- &) N#7c) N#7 d) N#7*

-. Nitric oide is prepared &y the action of !N7*on

a) 0e &) C%c) n d) Sn

-9. 7n ind%strial scale Nitric acid is prepared &y

a) "%tch Frocess&) Bir+land8=ydes Frocessc) Sol


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&) K2n7is red%cedc) S7#is red%cedd) K2n7sol%tion t%rns green

CHAPTER #

Halo'ens and (o)le ases

1. Which is the most


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1#. Bleaching power is o&tained &y the actionchlorine gas and

(A) "il%te sol%tion of Ca(7!)#(B) Concentrated sol%tion of Ca(7!)#(C) "ry Ca7(") "ry sla+ed lime.

1*. 2ar+ the element which shows only oneoidation state in its compo%nds

(A) 0 (B) C5(C) Br (B) 5.

1. Which of the following halogens has thehighest &ond energy ?

(A) 0# (B) C5#(C) Br# (") 5#.

1-. Which halogen is most electropositi noon glows

(A) Bl%ish (B) 3eddish(C) Fin+ish (") :reenish

22


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*#. Vef #molec%le is

(A) 4inear (B) $rigonal planar(C) Fyramidal (") S,%are planar.

**. $he forces acting &etween no&le gas atomsare

(A) ander Waals forces(B) 5on8dipole forces(C) 4ondon disperslon forces(") 2agnetic forces.

*. Fercentage of Ar in air is a&o%t

(A) 1 (B) #(C' * (")

*-. $he str%ct%re of Ve0is

(A) "istorted octahedral

(B) Fyramidal(C) $etrahedral(") None of the a&o


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a) !V7 !V7# !V7* !V7&) !V7 !V7* !V7# !V7c) !V7* !V7# !V7 !V7d) None of these

-*. $he a


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c) Cl 0 Br 5 d) 5 Br 0 Cl

6*. Which of the following hydride of halogen isthermally most sta&le?

a) !0 &) !Clc) !Br d) !5

6. 5n which of the following &romine has anoidation state of / ?

a) Br#7 &) Br7#c) Br7* d) None

6-. =lectrolysis of Brine prod%ces

a) Chlorine &) 7ygenc) !#S d) Nitrogen

6. 5n which of the following oyacids> chlorine hasan oidation state of /*?

a) !Cl7 &) !Cl7#c) !Cl7* d) !Cl7

66. $he process &ased on the oidation ofhydrochloric acid with oygen is

a) Nelsons cell &) Contact processc) "owns process d) "eacons process

6. Chlorine gas is in color.

a) Qellow &) :reenish Qellow

c) iolet d) Bl%e

69. $o +ill &acterial> moist of the drin+ing water istreated with

a) Nitrogen &) Car&on dioidec) Chlorine d) !ydrogen s%lphide

'. Fhosgene is the common name of

a) Car&on dioide and phosphate&) Fhosphoryle chloridec) Car&onyle chlorided) Car&on tetrachloride

1. !ydrofl%oride acid is

a) A powerf%l oidi;ing agent&) A wea+ acidc) A strong acidd) A good red%cing agent

#. Bleaching powder is o&tained &y theinteraction of Cl#and

a) Sla+ed lime&) Conc. Sol%tion of 2g(7!)#c) "ry Ca7d) "ry sla+ed lime

*. $he element which li&erates 7#form water is

a) F &) Nc) 0 d) 5

. Which forms maim%m compo%nds withenon?

a) 0 &) Cl

c) Br d) 5

-. Which of the following rare gases is notpresent in the atmosphere?

a) !e &) Vec) Kr d) 3n

. $he str%ct%re of Ve70is

a) $etrahedral &) S,%are pyramidalc) "istorted d) 5rreg%lar pentagonal

6. Which of the following fl%orides of enon is noto&ser


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Transition Elements

1. Which of the following is a non8typicaltransition element ?

(A) Cr (B) 2n(C) n (") 0e

#. Which of the following is a typical transitionmetal ?

(A) Sc (B) Q(C) 3a (") Co

*. f8&loc+ elements are so called.

(A) Non8typical transition element(B) 7%ter transition elements(C) Normal transition elements(") 5nner transition

. $he strength of &inding energy of transitionelements depends %pon

(A) N%m&er of electron pairs(B) N%m&er of %npaired electrons(C) N%m&er of ne%trons(") N%m&er of protons

-. :ro%p 5B of transition elements contains

(A) n> Cd > !g (B) 0e> 3%> 7s(C) Cr> 2o> W (") 2n> $e> 3e

. Which is the form%la of tetra8amine chloronitro platin%m (5) s%lphate ?

(A) XFt(N!*)(N7#)YS7(B) XFt N7#C5 (N!*)YS7(C) XFt C5 (N7#)(N!*)YS7(") XFt (N!*)(N7#)C5YS7

6. $he percentage of car&on in different types ofiron prod%cts is in the order of .

(A) Cast iron wro%ght iron steel(B) wro%ght iron steel cast iron

(C) cast iron steel wro%ght iron(") cast iron @ steel wro%ght iron

. $he colo%r of transition metal complees isd%e to.

(A) d8d transitions of electrons(B) Fara magnetic nat%re of transition element(C) 5oni;ation(") 4oss of s8electrons

9. Coordination n%m&er of Ft inXt C5 (N7#)(N!*)Y8# is.

(A) #8 (B) (C) 1 (")

1'. $he total n%m&er of transition elements is.

(A) 1' (B) 1(C) ' (") -'

11. $ransition metals ha molec%le or

ion

1-. $he transition elements incl%des.

(A) $i> 0e> Cr> Ni> C% etc(B) $i> 0e> N&> $a> $h> etc(C) 2o> W> r> N&> etc(") $i> 0e> Ci> Ni> C%> 2o> W> r> N&> $a> $h>

etc

1. n has

(A) ero %npaired electrons(B) 0i


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(C) Both of the a&o wro%ght iron> or steelscrap

(B) Gsing cast iron

(C) I%st wro%ght iron(") None of the a&o

then electrons I%mps from lower or&itals tohigher or&itals in

a) f8or&itals &) s8or&italsc) p8or&itals d) d8or&itals

*. $he specie which donates electrons to centralmetal atom in co8ordination sphere is called

a) Anion &) Cationc) 4igand d) Acid

*-. 0ollowing ion is a &identate 4igand?

a) Ammonia &) 7alate

27


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c) Car&onyl d) Cyanide

*. $he central atom along with 4igand is called

a) Comple ion &) Coordination spherec) 4igand d) Comple compo%nd

*6. :eometry of comple compo%nds depends%pon

a) no. of ligand&) no. of chelatesc) hy&ridi;ation of central metald) All of a&o the epectedgeometry will &e

a) $etrahydral &) S,%are planar c) $rigonal &ipyramidal d) 7ctahedral

*9. Any process of chemical decay of metals d%eto action of s%rro%nding medi%m is called

a) S%rro%nding &) =namelc) Corrosion d) Coating

'. When an acti N!# d) ="$A

-. Complees which are less common ha


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&) $ype of hy&ridi;ation of central metal atomc) Chelatesd) Both a L &

-6. Brass contain #' ;inc and

a) ' C% &) 6' C%c) ' C% d) -' C%

-. Bell metal contains

a) ' C% / #' n&) ' C% / #' Snc) #' C% / ' nd) #' C% / ' Sn

-9. $he form%la of &l%e


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66. When potassi%m permanganate is added to asat%rated a,%eo%s sol%tion of potassi%mhydroide> gas is e


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1'. $he


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a) Fyrolysis &) 3eformingc) Folymeri;ation d) Condensation

*'. $he f%el ha H trimethyl pentane in a mit%re

*. "%ring the fractional distillation of petrole%m>paraffin oil &oils &etween the ranges

a) #-oC &) ' H 1'oCc) 16- H #6-oC d) ##' H *-'oC

*-. $he octane n%m&er of gasoline may increased&y adding

a) ="$A &) Na7!c) AgN7* d) FB(C#!-)

*. Which process increases the yield of gasolinefrom petrole%m?a) Crac+ing &) Folymeri;ationc) 3eforming d) S%&limation

*6. Consider the reaction*C#!# tubeCu C!$his is the eample of

a) Fyrolysis &) Folymeri;ationc) S%&limation d) Addition

*. Which one is acyclic hydrocar&on?

a) C! &) C#!c) C!1# d) C!

*9. Which type of isomerism is shown &y thefollowing compo%nds?C!*H C!#H C!7> C!*H C7 H C!*

a) Chain isomerism&) Fosition isomerismc) 2etamerism

d) 0%nctional gro%p isomerism

'. $he type of isomerism fo%nd in 1 H &%tene and# H &%tane is

a) Fosition &) Chainc) 0%nctional gro%p d) 2etamerism

1. $he mem&ers of which of these ha


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especially the %nsat%rated ones> show a greattendency to %nit. $his process is termed as

a) Fyrolysis &) Crac+ingc) Folymeri;ation d) None of these

-#. An isomer of ethanol is

a) "imethyl ether &) "iethyl ether c) =thylene glycol d) 2ethanol

-*. When ethylene is heated %nder press%re> atransparent solid polymer> iso&tained.

a) Folyethene &) =thanec) 2ethane d) None of these

-. $he ,%ality of petrole%m is determined &y

a) "ecane n%m&er &) 7ctane n%m&erc) !eane n%m&er d) None of these

--. $wo or more than two different compo%ndsha which in


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6'. $he isomers m%st ha


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1'. 3C77Na/!#7 X=lectrolysisY is +nownas

a) Bosch reaction &) Kol& reactionc) Sa&atiers reacti%on d) 0ran+land reaction

11. 382g8Br is called

a. :rignard reagent&. W%rt; reactionc. $ollens reagentd. Finacol pinacolo%r reagent

1#. Gpto C atoms> al+anes aregases

a) # &) *c) d)

1*. Al+anes are less reacti


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#9. Among the following or&ital &onds> the angle isminim%m &etween

a) SF* &ond &) F and Fy or&italsc) ! H 7 H ! in water d) SF &ond

*'. $he compo%nd with highest &oiling point is

a) n H heane&) n H pentanec) # H methyl &%taned) #> # H dimethyl propane

*1. Alcoholic K7! sol%tion is %sed for

a) "ehydrogenation&) "ehalogenationc) "ehydrohalogenationd) "ehydration

*#. Which is least sol%&le in water?

a) Fhenol &) Ben;enec) Ben;oic acid d) =thanol

**. Baeyers test is %se to detect the &ond in anorganic compo%nd

a) Single &ond &) "o%&le &ondc) $riple &ond d) All of these

*. =thylene reacts with Baeyers reagent to form

a) C7#and !#7 &) =thyl alcoholc) =thylene oide d) =thylene glycol

*-. When ethylene reacts with chlorine to form anoily prod%ct. $his oily prod%ct is called

a) Baeyers test &) Bromine water c) "%tch H li,%id d) :lycol

*. Which of them is %sed as general anesthetic?

a) =thane &) =thenec) =thyne d) =ther

*6. $he positi


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$he reaction occ%rs &y o&eying

a) W%rt;s r%le&) 0ran+lands r%lec) 2ar+owni+offs r%led) Ke+%les r%le

-'. Acetylene is %sed as a starting material for thepreparation of Flastics> Synthetic r%&&er andSynthetic fi&re called

a) 7rlon &) Narlonc) Corlon d) 0orlon

-1. $he high polymer of chloroprene is

a) Folythene &) Ben;enec) Neoprene d) inyl acetylene

-#. Which one of the following gi


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a) Sa&atier Senderens 3eaction&) Kol&es =lectrolysisc) Folymeri;ationd) Chlroination

6. $he elimination of hydrogen halide (!V) fromadIacent car&on atoms is called

a) Fyrolysis &) Chlorinationc) "ehydrohalogenation d) None

. When a mit%re of ethane and air is passedo


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a) HCN &) H7!c) HC77! d) HC!7

1'. Which pair of gro%ps contains &oth ortho Lpara directors?

a. H7!> H3C7&. HN3*> HCNc. H7C!*> HC!7

d. HN (C!*)#> HN!#

11. 2ichael 0araday disco


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c. Addition reactiond. No8reaction

#-. Ben;ene does not %ndergo

a. S%&stit%tion reaction&. Addition reaction

c. Folymeri;ation reactionsd. 7idation reactions

#. "%ring s%lphonation of &en;ene> !#S7generates electrophile

a) !S78 &) S7#c) N7#8 d) N7#/

#6. Nitroni%m ion is

a) N7* &) N7c) N7#8 d) N7#/

#. Which compo%nd will readily %ndergos%lphonation?

a) Ben;ene &) Nitro &en;enec) :ol #' KJ mole isli&erated

&. C8! &ond length in &en;ene is 1.'9Aoc. 2olec%lar mass of &en;ene is 6.1'd. 3esonance energy of &en;ene is

1-'.- K Cal J mole

*1. $he preparation of &en;ene from acethylene

can also &e said as

a) 7idation &) Folymeri;ationc) "ehydration d) Condensation

*#. What is re,%ired other then anhydro%s AlCl*>when tol%ene is prepared from 0riedel craftreaction?

a) C! &) C!/ C!*Clc) C!-C#!-d) C!-` C!#`

**. 3eplacement of hydrogen of &en;ene &y al+ylgro%p in press%re of al+yl halide L ferricchloride is +nown as

a. "ows process

&. 0riedel L Craft acylationc. 0riedel L Craft al+ylationd. Clemenson reaction

*. Which of the following radical is called &en;ylradical?

a) C!-` &) C!-`C!@C!#c) C!-`C!` d) C!-`C!#`

*-. Which compo%nd form &en;oic acid onoidation with strong oidi;ing agent?

a) $ol%ene &) =thyle &en;enec) n8propyl &e;ene d) all

*. $ol%ene can &e con


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*. Common reaction of Ben;ene and itsderi


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&) Ben;ene is sometimes one str%ct%res andsometime the other.

c) $he two str%ct%res are in a state of rapide,%ili&ri%m.

d) Neither of the two str%ct%res descri&es&en;ene ade,%ately

*. $he con 0eCl*c) K2n7> 7!8> heat (then !*7/)d) None of the a&o


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9. Which one among the following is not agood

lea


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#*. Which one of the following reactants will&e

re,%ired to form ethane from ethyl chloride?

a) Alcoholic K7! &) A,%eo%s K7!c) Al+aline K2n7 d) A,%eo%s Na7!

#. Which one of the following alcohols will &e

formed when ethyl magnesi%m &romide reactswith acetone?

a) Frimary alcohol &) Secondary alcoholc) $ertiary alcohol d) "ihydric alcohol

#-. Which one of the following molec%les doesnot

form alcohol when reacts with :rignardreagent?

a) 0ormaldehyde &) Acetaldehydec) Fropanone d) C7#

#. 5n primary al+yl halides> the halogen atom isattached to a car&on which is f%rther attachedto how many car&ons atoms

a)$wo &) $hreec) 7ne d) 0o%r

#6. $he reacti


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*9) Car&on carrying negati


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') 32gV reacts with FCl*gi


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CHAPTER # 11Alco/ols P/enols and Et/ers

1. Which one of the following is termed as&en;yl

alcohol?

a) C!-7! &) C!-C!(7!)#c) C!-C!#7! d) None

#. Which one of the following is also +nownas

lactic acid?

a) *8hydroy propanioc acid&) #8hydroy propanioc acidc) #8hydroy &%tanoic acidd) *88hydroy &%tanoic acid

*. Which one of the following is also +nown

astartaric acid?

a) #>*8dihydroy &%tanedioic acid&) #>#8dihydroy &%tanedioic acidc) #>*8dihydroy &%tanioc acidd) #>#8dihydroy &%tanioc acid

. Water gas heated at -'UC and #'' atmpress%re in the presence of n7/Cr#7*willprod%ce

a) 2ethanal &) 2ethanol

c) Car&onic acid d) 2ethane

-. $he resid%e o&tained after thecrystalli;ation of

s%gar from concentrated s%gar cane I%ice iscalled

a) 2other li,%or &) 0iltratec) =tract d) 2olasses

. $he form%la of starch is

a) C1#!##711 &) C!97-c) C!1'7- d) C!1#7

6. $he process of fermentation of starchin*8"imethytheane88ol.

1#. Action of nitro%s acid on ethylamine gi


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a) 0ats &) Fropyienec) Both d) None

#1. $he en;yme which can catalyse thecon


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a) C!*C!(7!)# &) C!*C(7!)*c) C#!-7! d) None of these

'. :lycol is alcohol

a) 2onohydric &) "ihydricc) $rihydric d) Both a L &

1. Wood Naphtha is the commercial name of

a) =thyl alcohol &) Aldehydec) 2ethyl alcohol d) Acetic acid

#. =thyl Alcohol is denat%red &y adding

a) C!*7! L C!*C77!

&) C!*C77! L C!*C7C!*c) C!*7! L Fyridined) None of these

*. 2ethylated spirit is

a) F%re methyl alcohol&) 2ethyl alcohol containing waterc) 2ethanol containing methanald) =thanol containing methanol

. Alcohol reacts with car&oylic acids> acid anhydrides and acid halides to form

a) =ther &) Ketone&) =sters d) Aldehyde

-. Strongly acidic sol%tion of Na#Cr#76is re,%iredfor the oidation of

a) Frimary alcohol &) Secondary alcoholc) $ertiary alcohol d) All of these

. 4ow temperat%re and ecess of Alcohol fa oygen atom of the=ther forms

a) Car&oni%m ion &) Car&on ion

49


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c) 7oni%m ion d) 7ide ion

-9. Williamsons synthesis is %sed to prepare

a) Alcohols &) =thersc) =sters d) Aldehydes

'. Wa contains

a) H 7! :ro%p &) H C!7 :ro%pc) Ketonic :ro%p d) =ster :ro%p

1. Fhenol reacts with Bromine water to form

a) Ficric acid &) $N$c) $ri&romo phenol d) $ol%ene

#. Which one is methoy methane?

a) 7lefins &) Faraffinsc) "imethyl ether d) "imethyl +etone

*. Alcohol reacts with an organic acid to yield

a) An ester &) Ketonec) Al+yl halides d) =ther

. $he con


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a) =ther &) Acetonec) =thylene d) Acetaldehyde

1. 3ectified spirit contains alcohol.

a) 9-. &) 6-.'c) 1''.' d) -.

#. Frimary> secondary and tertiary alcohols may&e disting%ished &y %sing

a) 0ehlings sol%tion &) ictor 2eyer testc) !ofmann set d) Beilstein test

*. 5n cold co%ntries glycerol is added to water incar radiators as it helps to

a) Bring down the specific heat of water

&) 4ower the free;ing pointc) 3ed%ce the


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11. Ba+elite is o&tained &y condensation of

a) Acetaldehyde and acetone&) 0ormaldehyde and phenolc) Acetaldehyde and phenold) None of these

1#. Car&onyl gro%p %ndergoes

a) eliminatory reaction&) electrophilic additionc) niteophlic adelretiond) None of them

1*. A n%cleophilic reagent will readily attac+

a) =thylene &) =thanalc) =thanol d) =thylamine

1. Which of the following compo%nds gi


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a) 3ed%ction of 0ehlings sol%tion&) 3ed%ction of $ollens sol%tionc) 0ormation of phenol compleesd) 5odoform reaction

*1. Which tests are %sed for the identification of H

C!7 in an aldehyde?

a) Bayers test &) 0ehlings testc) $ollens test d) Both & L c

*#. Ben;aldehyde on reaction with al+aline K2n7yields

a) Ben;ophenone &) Ficric acidc) Ben;oic acid d) None of these

**. Which of the following %ndergoes halformreaction?

a) !C!7 &) C!*C7C!*c) C#!- d) C#!-7#C!-

*. $he compo%nd which gi


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7!C H C!#H C! @C! H C!7 is

a) Fent8#8ene81> -8dial&) Fropene dialdehydec) Frop818en81> *8diald) None of the a&o


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C/a"ter (o+ 13Car)o6ylic Acids & T/eir 7eri8ati8es

1) $he f%nction gro%p in Citric acid is

a) H 7! &) H 73c) H C77! d) H C773

#) =sters ha hygroscopicsolid and is also +nown as

a) "il%te acetic acid

&) :lacial (ice li+e) acetic acidc) 2ethanoic acidd) None of these

) Acetyl chloride is formed &y the reaction ofacetic acid with

a) $hionyl chloride &) Ammoniac) Alcohol d) Sodi%m hydroide

6) Acetic acid is a wea+ acid &eca%se in a,%eo%ssol%tion it is

a) !ighly ioni;ed&) Wea+ly ioni;edc) 5nsol%&le in waterd) No replacea&le hydrogen

) Which of the following is a mono&asic acid?

a) !#S7 &) !#C7*c) !*F7 d) C!*C77!

9) !ydrolysis of esters in al+aline medi%m iscalled

a) Sponification &) !ydrationc) =sterification d) None of these

1') Which one of the following does not ha theformer one is

a) 4ess acidic &) 2ore acidicc) Same strength d) 2ore &asic

1-) Beta hydroyl propionic acid is

a) Citric acid &) Aspartic acidc) 7alic acid d) 4actic acid

1) 0ormic acid can red%ce

a) 2erc%ric chloride &) $ollens reagentc) K2n7 d) All of these

16) $he n%m&er of ! H &onds formed per molec%leof car&oylic acid are

a) &) *c) # d) 1

1) $he attachment of electron withdrawing

gro%ps res%lt into the

a) 5ncrease of acidity &) "ecrease of acidityc) 5ncrease of strength d) All of these

19) $he firs fo%r mem&ers of car&oylic acid arecompletely sol%&le in water. $his is d%e to

a) Acidic nat%re &) ! H &ondingc) Folymeri;ation d) 3ed%ction

#') Sodi%m &i car&onate when reacts with acompo%nd DVE as res%lt C7# li&erates witheffer


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#1) $he car&oylic acid which is %sed forcoag%lating r%&&er late is

a) =thanoic acid &) 2ethanoic acidc) Fropanoic acid d) All of these

##) Acetic acid when reacts with chlorine in thepresence of red phosphor%s> the prod%ct

formed is

a) Acetyl chloride &) 2ethyl chloridec) 2ethyl ester d) Chloro acetic acid

#*) Which of them has two f%nctional gro%ps?

a) Amino acid &) Salicylic acidc) Acetone d) Both a L &

#) Amino acids ha


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#) Which one is more acidic?

a) !C77! &) C!*C77!c) C#!H C77! d) C#!6H C77!

*) Which ha


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*) Which of the following is not an Amino acid?

a) Alanine &) Anilinec) :lyine d) Aspartic acid

) =thyl acetate can &e prepared &y the action of on car&oylic acid> in the presence ofacidic media.

a) Fhenols &) 0ormalinc) Fyradine d) Alcohol

-) Which of the following car&oylic acid is thestrongest?

a) C!0#H C!#H C!#H C77!&) C!*C!#C0#C77!c) C!#0 H C!0 H C!#H C77!d) C!*C!#C!#C77!

) Which of the following will ser Ka?

a) C!*C77! &) ClC!#C77!c) Cl#C!C77! d) Cl*CC77!

9) Which of the following is not a primary amine?

a) Cycloheylamine &) * H heylaminec) 1 H B%tylamine d) "iethylamine

6') Which statement a&o%t the reaction of1 H &romo&%tane and N!*is incorrect?

a) $he reaction specifically gi


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C/a"ter # 1%9acromolec!les

1. Which of the following is polymeri;ationprocess?

a. $he crac+ing of petroel%m&. 0ractional disstillation of cr%de oil

c. 0ormation of polyethend. !ydrolysis of protiens

#. Which one is addition polymer?

a. Nylon8 &. Folystyrenec. $erylene d. =poy resin

*. Which is synthetically prepared polymer?

a. Animal fat &. Starchc. Cell%lose d. FC

. egeta&le oils are

a. Gnsat%rated fatty acids&. :lycerides of %nsa%rtated faty acidsc. :lycerides of stt%rated fatty acidsd. =ssential oils o&rained from plants

-. $he water sol%&le


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#1. $he gro%p of chemical reagents that ta+e partin life s%staining process is called

a. Wa &. 3efinery gasc. 0ood d. None of these

##. A &alanced diet m%st contain at least

a. $wo n%trients &. 0o%r n%trientsc. Si n%trients d. $hree n%trients

#*. Which one of the following is a single n%trientfood?

a. Starch &. Boneyc. 2il+ d. :l%cose

#. 2il+ is a food containing

a. Single n%trient &. "in%trient

c. 2%ltin%trient d. None of these

#-. Which of these are the so%rces of energy aswell as so%rce for &%ilding of tiss%es?

a. Froteins &. 0atsc. Car&ohydrates d. All of these

#. Which n%trients reg%late the &ody processes?

a. 2inerals &. itaminsc. Water d. All of these

#6. $he prod%ct of oidation of gl%cose is

a. C7# &.Waterc. =nergy d. All of these

#. $he oidation of fats prod%ces

a. C7# &. C7#/ !#7c. C7#/ !#7 / = d. None of these

#9. $he oidation of protein prod%ces %rea inaddition to

a. C7# &. Waterc. Nitrogen d. Both a L &

*'. :l%cose is stored in the li


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#. Cholesterol is a steroid which is the importantprec%rsor of

a. Se hormones &. Adrenal hormonesc. itamin " d. All of these

*. :allstones contain

a) 0ree cholesterol&) Com&ine cholesterolc) Starchd) 2annose

. =n;yme acti c. $eflon d. Folyester

-. A copolymer is formed &y polymeri;ation of

a) A single type of monomer&) $wo types of monomersc) $hree types of monomersd) All of these

-9. A polymer is formed &y polymeri;ation of threedifferent types of monomers is

a. Copolymer &. !omopolymer c. 2onomer d. All of these

'. Qeast is a

a) Bacteria &) Anti&ioticc) ir%s d) 0%ngi

1. Folyester resins are the prod%ct of the reactionof

a) Alcohol and aromatic acids&) Folyamines with aliphatic dicar&oylic acidsc) Styrene in the presence of catalystd) =pichlorohydrin with diphenylol propane

61


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#. =n;yme tripsin con


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C/a"ter 1C/emical nd!stries in Pakistan

1. Which processJ reaction gi


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#1. Which of the following is the most s%ita&lecatalyst for ammonia synthesis?

a) Ft &) n7 / Cr #7*c) 0e#7*/ 27#7* d) All of the a&o


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a) Animal &) egeta&lec) 2ineral d) All of these

*. $he percentage of nitrogen in ammonia nitrateis

a) &) ** H **.-

c) # d)

. N!N7*is %sed as a fertili;er for many cropsecept paddy rice &eca%se

a) 5ts gran%les are solid&) 5t is poisono%sc) 5t is ne%trald) $he micro&ial &acteria in flooded field

decompose N!N7*into N#gas

-. 2an%fact%ring of s%per phosphate fertili;erin


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a) Soda Ash &) 4imestonec) inc d) None of these

*. Any material> which changes the cleaningeffect of water is called

a) 0ertili;ers &) "etergentc) Acid d) None of these

. Commercial detergents contain mainly

a) 3C77N &) 37Nac) 3SNa d) 37S7*Na

-. $he principle former of almost all glasses is

a) (Si7#)n &) (Si7*)nc) (Si7#)V d) None of these

. Calcario%s material incl%des

a) 4ime stone &) 2ar&lec) Chal+ d) All of the a&o

Si7#> 0e#7*and Al#7*.d) $o red%ce the imp%rities

9. As&estos is a

a) 2ineral fi&er &) Animal fi&er c) egeta&le fi&er d) None of these

C/a"ter # 1*En8ironmental c/emistry

1. Feeling of o;one %m&rella is d%e to

a) C0Cs &) FANc) C7# d) Coal &%rning

#. ""$ is

a) Biodegrada&le pol%l%tant&) Nondegrada&le poll%tantc) Not a poll%tantd) An anti&iotic

*. 5ncreasing s+in cancer and high m%tation ratesare

a) Acid rain &) 7;one depletion

c) C7 poll%tion d) C7#poll%tion

. Sewage water is p%rified &y

a) 2icroorganisms &) 4ightc) 0ishes d) A,%atic plants

-. G radiations &ring a&o%t

a) S+in cancer &) 2o%th cancer c) 4%ng cancer d) 4i


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11. C7 is harmf%l for h%mans as it

a) 5s carcinogenic&) 5s antogonistic to C7#c) !as high affinity for heamoglo&in than

oygend) 5s destr%cti


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#9. =%trophication ca%ses red%ction in

a) "issol nose>throat> &ronchial tract and respiratory tractirritation are

a) !#S &) C7#c) N!* d) Both a L c

6. $he air poll%tant which is responsi&le forcorrosion and erosion is

a) S7# &) Car&onc) Smo+e d) Aerosol

. Car&on and soot accelerate the corrosion anderosion d%e toa) Acidic nat%re&) Basic nat%rec) A&sorption or adsorption of the gaseo%s

poll%tant %pon these partic%lars materd) All of these

68


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9. $he poll%tant which adhere to stones &ric+sand s%rface and ca%se fo%ling are

a) Smo+e and d%st&) Smo+e and aerosolsc) Aerosols and d%std) None of these

-'. Clean rain is

a) Basic &) Slightly &asicc) Slightly acidic d) All of these

-1. $he F! of ne%tral rain water is

a) -. &) .c) *. d) #.

-#. $he poll%tant which play an important role insmog formation

a) C7 &) N!*c) !#S d) All of these

-*. Fhotochemical smog is

a) 7idi;ing smog &) 3ed%cing smogc) Ne%tral smog d) Smo+e

-. 3ed%cing smog is formed &y the com&inationof

a) Smo+e &) 0og

c) "%st d) Smo+e L fog

--. $he poll%tant which res%lts into o;onedepletion is

a) C7 &) N!*c) !#S d) 0reon

-. $he photochemical smog is also calledoidi;ing smog which has high content ofoidant li+e

a) 7* &) S7#c) N!* d) All of these

-6. Fresence of hea


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6'. Which statement is wrong?

a) $he amo%nt of o;one layer is greater in theregion close to the e,%ator.

&) 7;one acts as filter for G radiations.c) 5n the polar region> it acts as poll%tants.d) C0Cs play effecti

mcqs of chemistry of second year

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