206896122 physical chemistry

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Physical Chemistry (Paper-III) 11111


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22222 Biyanis Think Tank

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Physical ChemistryB.Sc. Part-I (Paper-III)

Meena Sharma

M.Sc. (Chemistry)

Revised by: Lokesh Sharma

Deptt. of Science

Biyani Girls College, Jaipur


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Published by :

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Biyani Group of Colleges

Concept & Copyright :

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Sr-, Vihyhr Nr,Jipur-0 0 Rjh

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Edition : 2011

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I k frwr rivi vub ui frm prfr f vriu ui

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Author

Preface


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SyllabusB.Sc. Part-I : Paper-III

Physical Chemistry

Unit-1

1. Mathematical Concepts and Computers

(A) Mathematical Concepts-Lrihmi ri urv khi irrph ui f p, iffrii f fui ik K, , , i ; mim miim, pri iffrii ripriy ri,iri f m ufu/rv fui; prmui mbii,Fri, Prbbiiy

(B) Computers- Gr irui mpur, iffr mp f

mpur, hrwr fwr, ipu-upu vi; biry umbr rihmi, irui mpur u Prrmmi pri ym

Unit-II

2. Gaseous States- Pu f kii hry f , vii frmi bhviur, v r W qui f

Critical Phenomena PV ihrm f r , iuiy f , hihrm f v r W qui, rihip bw rii v r W , h w f rrpi , ru quif

ur vii: R m qur, vr m prbbvii Quiiv iui f h w iribui f murvii, ii umbr, m fr ph ii imr, Liquifiif b Ju-Thm ff

Unit-III

3. Liquid State- Irmur fr, ruur f iqui quiivripi


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Sruur iffr bw i, iqui

Liqui ry: Diffr bw iqui ry, i iquiCifii, ruur f mi hri ph

Unit-IV

4. Solid State- Dfiii f p i, ui

Lw f ryrphy-i Lw f y f irfi ii Lwf riiy f ii iii Lw f ymmry, Symmry m i ry

X-ry iffri ry Drivi f Br qui Drmii f

ry ruur f NC, CCI Lu mh pwr mh

Unit-V

5. Colloidal State- Dfiii f i, ifii f i Sii iqui : prpri- kii, pi ri, biiy f iPriv i Hry-Shuz w, umbr

Liqui i i : ifii, prpri prpri, ihibii,r ppii f i Liqui i iqui mui: yp f mui,prpri muiifir

Unit-VI6. Chemical Kinetics- Chmi kii i p, r f ri,

fr ifui h r f ri Cri, p f r,mhmi hrrii f imp hmi ri

Zr rr, fir rr, rr pu rr, hf if m ifDrmii f h rr f ri-iffri mh h f iri,mh f hf if pri ii mh

Riiv y fir rr phm

prim mh f hmi kii: umri, pimri,

pi mh, primry prphmry Thri f hmikii ff f mprur r f ri, Arrhiu qui, pf ivi ry

Simp ii hry b hr phr m, rii hryquiibrium hyphi pri fr h r b quiibrium hrmymi p


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PHYSICAL CHEMISTRY

Q.1. Evaluate the followings:-

(i) log3 243

Sol. L 4 x

x 4

x 5

x 5

4 5

(ii) log7 343

L 7 4 x

7x 4

7x 7

x

7 4

(iii) log10

10,000

L 0 0,000 x0x 0000

0x 04

x 4

0

0,000 4


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(iv) log27

9

L 7

x

7x

x

x

x

x /

7

Q.2. Evaluate:

Sol.

Sol.

Q.3 Prove that

6


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Q.4 If log (M+n) = log M+n, show that

n=

(n -1)

Sol. m

m

m-m -

n=

n 1

Q.5 Find the derivative of (x3 + ex + 3x + cot x) with respect to x.

3 x x 3 xd d d d(x + e + 3 + cot x) = x + e + 3x + cotxdx dx dx dx

Q.6 Differentiate x2. tan x x log x w.r.t. x

2(x tan x x log x)

22 d dx d d

= x tan x + tan x x log x + log x (x)dx dx dx dx

x 2x x

+

2 2 1= (x sec tan ) x. + log x.1x

2 2= x sec x + 2x tan x 1 log x


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Q.7 A bag contains 9 black and 12 white balls. One ball is drawn at random.What is the probability that the ball drawn is black?

Sol. T Numbr f b

Thu, if S i h Smp p, h

A, if i h v f i bk b, h

n[E] 9 3P (getting a black ball) = = =

n[S] 21 7

Q.8 Evaluate

(i) P(12,4)

Sol. (12,4)12! 12!

P = =(12 4)! 8!

12 11 10 9 8 !

=

8 !

,880

(ii) P(75,2)

Sol.

5,550

(iii) P(8,8)

Sol.


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8 !

8 7 6 5 4

40,0

Q.9 In how many ways can 10 books be arranged on a shelf so that a

particular pair of books shall be

(i) always together

(ii) never togetherSol. i Si priur pir f bk b rr h hf i P

0,0 0 ! wy h w h hv rr I bk h hf hi b i P

, ! wy

Nw i h f h rrm, h w bk mprii hpriur pir b rr m hmv i ! i wy

Rquir Numbr f wy !

ii W kw h 0 bk b rr h hf i P0,0

0! wy A h Numbr f wy f rri 0 bk h

priur pir i vr hr

0 ! !

0 ! ! 8 !

Q.10 How many 4-letter words, with or without meaning can be formed out

of the letter of word LOGARITHMS if repetition of letters is notallowed.

Sol. Th wr LOGARITHS i 0 iffr r

Th Numbr f rquir wr Numbr f rrm f 0 r,k 4 im

P0,4

0

4

!

!

!= 10 9 8 7 6


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Q.11 How many words with or without meaning can be formed by usingall the letters of word DELHI using each letter exactly once?

Sol. Th wr DLHI i 5 iffr r

Th umbr f rquir wr N f rrm f 5 r k

P5,5

5 ! 5 4 0

Q.12 Find the derivatives of:-

(i) X9

Sol. x-

x-

x8

(ii) x-5

Sol. 5x-5-

5x-6

Q.13 What is Software?

Ans. Sfwr i qu f irui wri i mpur u prfrm pifi jb uh rfi r rpr

Q.14 Write short note on relationship between Hardware and Software.

Ans. Thr i pi rihip bw hrwr fwr Bh rmpmry h hr Nhi ufu b wih h


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mpur hrwr i w fwr b uiiz wihuuppri hrwr

A pyr h r hrwr whi rr h r i fwr T priur jb by mpur, h rv fwr hu b i h hrwr bfrpri r

Q.15 Write short notes on:-

(i) Printers(ii) Keyboard

(iii) Mouse

Ans. (i) Printers: Prir r h mmy u primry upu vi prpr prm um i hum rb frm hr pyThr r vr yp f prir h r i fr iffr ypf ppii Dpi hir p pprh f prii,prir r ifi hrr prir, i prir pprir

(ii) Keyboard: Prrm r r i mpur hruh kybr whih i h mir-mpur r h rmi f mii r r mpur D i r i h mpur by pri f ky vib wih h vi

(iii) Mouse: A u i pii vi I i h i h mv r f urf i i u rw kh, irm h mpur r i i u i

Q.16 Add the binary numbers 101 and 10 in both decimal and binary form.

BINARY DCIAL

0 5

0

7


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Q.17 Add the binary numbers 10011 and 1001 in both decimal and binaryform.

Ans. BINARY DCIAL

Crry Crry

00

00

00 8

Q.18 What is Multi Programming?

Ans. I f bh pri, h bh prrm r frhr i qu i h mi mmry fr pri O u, prrm wi rmi i h mi mmry ui i ui imp hu, h prrm whih i urry bi u wi bh up f h ur r f h mi mmry i wi hvh CPU uivy vib if Wh hr i y prrmi mi mmry, w f h ym m pwrfu rur my bur-uiiz, i piv mmry fu pbiii f h CPU

I rr vrm h prbm f ur-uiizi f mi mmry h CPU, h p f mui prrmmi w iru ipri ym uiprrmmi i h m iv h irvui f w r mr iffr ip prrm by hm mpur Wih h r-ri uprvir p w hvb iru h mi f hvi w prrm i h mimmry h m im: h uprvir fr vr ym r h ur prrm fr prfrmi ur k I muiprrmmi, hip i rri p furhr by pi w r mr ur

prrm i mi mmry ui hm -urry h CPUwih frm prrm hr m iuy i hpri p f CPU i muh fr h h f I/O pri, hCPU im vr prr i f rmii i wh i buy wih I/O pri I muiprrmmi ym, wh prrm i wii fr I/O rfr, hr i hr prrm ry uiiz h CPU, hu i i pib fr vr ur hr h imf h CPU


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Q.19 Write short notes on types of crystals. What is the difference betweencrystalline and amorphous solids.

Ans. Wh ub i w mprur h irmur fr r uh h h mu hr i mr r fi piiTh mri quir hp i h i b i h i h i mri my b ivi i w ii :-

i Cryi i

ii Amrphu i

(i) Crystalline solids: I ryi i, m, mu r i rrr i rur rpi hr imi pr h hrrii mri hp Sur S r ryi i

Fig. Crystalline solids

(ii) Amorphous solid: I mrphu i, h m, mu r ir rr i rm mr k rr ryi iRubbr, pi r h mp f mrphu i

Fig. Amorphous solid

206896122 physical chemistry

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