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NATURAL SCIENCES TRIPOS, Part II: Chemistry, NST2CH Xday Xth June 2018 9.00 to 11.50 PAPER 1 Candidates should attempt ALL of the questions from Section A and ALL the questions from Section B. Sections A carries 25% of the marks and Section B carries 75% of the marks. Within a section, each question carries equal weight. Candidates are advised to divide their time appropriately between Sections A and B: 40 minutes for Section A and 2 hours for Section B. This means spending 5 minutes per question from Section A and 30 minutes per question from Section B. A Periodic Table, the structures of the amino acids and nucleotide bases, the values of physical constants, character tables and selected mathematical formulae will be found in the data book provided. Linear graph paper is available if required. For Section A candidates should write their answers on to the paper following the question, continuing on the reverse side if needed. If additional sheets are needed, these should be secured to the relevant question, ensuring that the candidate number and the question number are written on each sheet. Candidates should make sure that their candidate number appears on each page they hand in. Each page of the question paper must be handed in, even if a question is not attempted. For Section B the answers to each question should be returned separately, and a separate cover sheet for each question should be completed. Write on ONE side of the paper only. Calculator – students are permitted to use an approved calculator. STATIONERY REQUIREMENTS SPECIAL REQUIREMENTS Graph paper (4 sheets) Department of Chemistry Data Book Lined paper Rough work pad You may not start to read the questions printed on the subsequent pages of this question paper until instructed that you may do so by the Invigilator. During the first 10 minutes of the examination you are permitted to read the paper, but you may not start writing your answers until this time has elapsed.

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NATURAL SCIENCES TRIPOS, Part II: Chemistry, NST2CH

Xday Xth June 2018 9.00 to 11.50

PAPER 1Candidates should attempt ALL of the questions from Section A and ALL the questionsfrom Section B.

Sections A carries 25% of the marks and Section B carries 75% of the marks. Withina section, each question carries equal weight. Candidates are advised to divide theirtime appropriately between Sections A and B: 40 minutes for Section A and 2 hours forSection B. This means spending 5 minutes per question from Section A and 30 minutesper question from Section B.A Periodic Table, the structures of the amino acids and nucleotide bases, the values ofphysical constants, character tables and selected mathematical formulae will be found inthe data book provided. Linear graph paper is available if required.For Section A candidates should write their answers on to the paper following the question,continuing on the reverse side if needed. If additional sheets are needed, these should besecured to the relevant question, ensuring that the candidate number and the questionnumber are written on each sheet. Candidates should make sure that their candidatenumber appears on each page they hand in. Each page of the question paper must behanded in, even if a question is not attempted.For Section B the answers to each question should be returned separately, and a separatecover sheet for each question should be completed.Write on ONE side of the paper only.Calculator – students are permitted to use an approved calculator.

STATIONERY REQUIREMENTS SPECIAL REQUIREMENTSGraph paper (4 sheets) Department of Chemistry Data BookLined paperRough work pad

You may not start to read the questions printed on the subsequentpages of this question paper until instructed that you may do so bythe Invigilator.

During the first 10 minutes of the examination you are permittedto read the paper, but you may not start writing your answers untilthis time has elapsed.

2

This page intentionally left blank

3candidate number

SECTION A

1

[TURN OVER

4

2

5candidate number

3

[TURN OVER

6

4

7candidate number

5

[TURN OVER

8

6

9candidate number

7

[TURN OVER

10

8

11

SECTION B

A1 Inorganic I: Structure and bonding

9

Answer all parts of the question.

(a)

[TURN OVER

12

10

Answer all parts of the question.

(a)

13

A2 The foundations of organic synthesis

11

Answer all parts of the question.

(a)

[TURN OVER

14

12

Answer all parts of the question.

(a)

END OF PAPER

NATURAL SCIENCES TRIPOS, Part II: Chemistry, NST2CH

Xday Xth June 2018 9.00 to 11.50

PAPER 2ACandidates should attempt ALL of the questions from Section A and ALL the questionsfrom Section B.

Sections A carries 25% of the marks and Section B carries 75% of the marks. Withina section, each question carries equal weight. Candidates are advised to divide theirtime appropriately between Sections A and B: 40 minutes for Section A and 2 hours forSection B. This means spending 5 minutes per question from Section A and 30 minutesper question from Section B.A Periodic Table, the structures of the amino acids and nucleotide bases, the values ofphysical constants, character tables and selected mathematical formulae will be found inthe data book provided. Linear graph paper is available if required.For Section A candidates should write their answers on to the paper following the question,continuing on the reverse side if needed. If additional sheets are needed, these should besecured to the relevant question, ensuring that the candidate number and the questionnumber are written on each sheet. Candidates should make sure that their candidatenumber appears on each page they hand in. Each page of the question paper must behanded in, even if a question is not attempted.For Section B the answers to each question should be returned separately, and a separatecover sheet for each question should be completed.Write on ONE side of the paper only.Calculator – students are permitted to use an approved calculator.

STATIONERY REQUIREMENTS SPECIAL REQUIREMENTSGraph paper (4 sheets) Department of Chemistry Data BookLined paperRough work pad

You may not start to read the questions printed on the subsequentpages of this question paper until instructed that you may do so bythe Invigilator.

During the first 10 minutes of the examination you are permittedto read the paper, but you may not start writing your answers untilthis time has elapsed.

2

This page intentionally left blank

3candidate number

SECTION A

13

[TURN OVER

4

14

5candidate number

15

[TURN OVER

6

16

7candidate number

17

[TURN OVER

8

18

9candidate number

19

[TURN OVER

10

20

11

SECTION B

A3 High-resolution molecular spectroscopy

21

Answer all parts of the question.

(a)

[TURN OVER

12

22

Answer all parts of the question.

(a)

13

A4 Theoretical techniques

23

Answer all parts of the question.

(a)

[TURN OVER

14

24

Answer all parts of the question.

(a)

END OF PAPER

NATURAL SCIENCES TRIPOS, Part II: Chemistry, NST2CH

Xday Xth June 2018 9.00 to 11.50

PAPER 2BCandidates should attempt ALL of the questions from Section A and ALL the questionsfrom Section B.

Sections A carries 25% of the marks and Section B carries 75% of the marks. Withina section, each question carries equal weight. Candidates are advised to divide theirtime appropriately between Sections A and B: 40 minutes for Section A and 2 hours forSection B. This means spending 5 minutes per question from Section A and 30 minutesper question from Section B.A Periodic Table, the structures of the amino acids and nucleotide bases, the values ofphysical constants, character tables and selected mathematical formulae will be found inthe data book provided. Linear graph paper is available if required.For Section A candidates should write their answers on to the paper following the question,continuing on the reverse side if needed. If additional sheets are needed, these should besecured to the relevant question, ensuring that the candidate number and the questionnumber are written on each sheet. Candidates should make sure that their candidatenumber appears on each page they hand in. Each page of the question paper must behanded in, even if a question is not attempted.For Section B the answers to each question should be returned separately, and a separatecover sheet for each question should be completed.Write on ONE side of the paper only.Calculator – students are permitted to use an approved calculator.

STATIONERY REQUIREMENTS SPECIAL REQUIREMENTSGraph paper (4 sheets) Department of Chemistry Data BookLined paperRough work pad

You may not start to read the questions printed on the subsequentpages of this question paper until instructed that you may do so bythe Invigilator.

During the first 10 minutes of the examination you are permittedto read the paper, but you may not start writing your answers untilthis time has elapsed.

2

This page intentionally left blank

3candidate number

SECTION A

25

[TURN OVER

4

26

5candidate number

27

[TURN OVER

6

28

7candidate number

29

[TURN OVER

8

30

9candidate number

31

[TURN OVER

10

32

11

SECTION B

A6 Concepts in physical chemistry

33

Answer all parts of the question.

(a)

[TURN OVER

12

34

Answer all parts of the question.

(a)

13

35

Answer all parts of the question.

(a)

[TURN OVER

14

36

Answer all parts of the question.

(a)

END OF PAPER

NATURAL SCIENCES TRIPOS, Part II: Chemistry, NST2CH

Xday Xth June 2018 09.00 to 12.10

PAPER 3

Candidates should attempt FOUR questions.

Where a question is divided into sections, the approximate division of marks betweensections is indicated at the end of the question.

Linear graph paper is available if required.

A Periodic Table, the structures of the amino acids and nucleotide bases, the values ofphysical constants, character tables and selected mathematical formulae will be found inthe data book provided.

Write on ONE side of the paper only.

The answers to each question should be returned separately.

A separate cover sheet for each question should be completed.

Calculator – students are permitted to use an approved calculator.

STATIONERY REQUIREMENTS SPECIAL REQUIREMENTSGraph paper (4 sheets) Department of Chemistry Data BookLined paperRough work pad

You may not start to read the questions printed onthe subsequent pages of this question paper untilinstructed that you may do so by the Invigilator.

During the first 10 minutes of the examinationyou are permitted to read the paper, but you maynot start writing your answers until this time haselapsed.

2

B1 Inorganic II: Transition metal reactivity and organometallic catalysis

37

Answer all parts of the question.

(a)

3

38

Answer all parts of the question.

(a)

[TURN OVER

4

B2 Structure and reactivity

39

Answer all parts of the question.

(a)

5

40

Answer all parts of the question.

(a)

[TURN OVER

6

B3 Chemical biology I: Biological catalysis

41

Answer all parts of the question.

(a)

7

42

Answer all parts of the question.

(a)

[TURN OVER

8

B4 Chemistry in the atmosphere

43

Answer all parts of the question.

(a)

9

44

Answer all parts of the question.

(a)

[TURN OVER

10

B5 Biomaterials

45

Answer all parts of the question.

(a)

11

46

Answer all parts of the question.

(a)

[TURN OVER

12

B6 Statistical mechanics

47

Answer all parts of the question.

(a)

13

48

Answer all parts of the question.

(a)

[TURN OVER

14

B7 Further quantum mechanics

49

Answer all parts of the question.

(a)

END OF PAPER

NATURAL SCIENCES TRIPOS, Part II: Chemistry, NST2CH

Xday Xth June 2018 09.00 to 12.10

PAPER 4

Candidates should attempt FOUR questions.

Where a question is divided into sections, the approximate division of marks betweensections is indicated at the end of the question.

Linear graph paper is available if required.

A Periodic Table, the structures of the amino acids and nucleotide bases, the values ofphysical constants, character tables and selected mathematical formulae will be found inthe data book provided.

Write on ONE side of the paper only.

The answers to each question should be returned separately.

A separate cover sheet for each question should be completed.

Calculator – students are permitted to use an approved calculator.

STATIONERY REQUIREMENTS SPECIAL REQUIREMENTSGraph paper (4 sheets) Department of Chemistry Data BookLined paperRough work pad

You may not start to read the questions printed onthe subsequent pages of this question paper untilinstructed that you may do so by the Invigilator.

During the first 10 minutes of the examinationyou are permitted to read the paper, but you maynot start writing your answers until this time haselapsed.

2

C1 Electrochemistry

50

Answer all parts of the question.

(a)

3

C2 EPR and magnetism

51

Answer all parts of the question.

(a)

[TURN OVER

4

C3 NMR

52

Answer all parts of the question.

(a)

5

C4 Chemical biology II: Proteins: structure, stability and folding

53

Answer all parts of the question.

(a)

[TURN OVER

6

54

Answer all parts of the question.

(a)

7

C5 Control in organic chemistry

55

Answer all parts of the question.

(a)

[TURN OVER

8

56

Answer all parts of the question.

(a)

9

C6 Diffraction methods in chemistry

57

Answer all parts of the question.

(a)

[TURN OVER

10

58

Answer all parts of the question.

(a)

11

C7 Investigating organic mechanisms

59

Answer all parts of the question.

(a)

[TURN OVER

12

60

Answer all parts of the question.

(a)

13

C8 Electronic structure

61

Answer all parts of the question.

(a)

[TURN OVER

14

62

Answer all parts of the question.

(a)

15

C9 Chemical biology II: Nucleic acids

63

Answer all parts of the question.

(a)

[TURN OVER

16

64

Answer all parts of the question.

(a)

17

C10 Surfaces and interfaces

65

Answer all parts of the question.

(a)

[TURN OVER

18

66

Answer all parts of the question.

(a)

19

C11 Symmetry

67

Answer all parts of the question.

(a)

END OF PAPER