CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 159 - 161 of 427

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Question number: 159

» Physical Chemistry » Molecular Spectroscopy » Basic Principles of Magnetic Resonance

Appeared in Year: 2014

MCQ▾

Question

Correct match of 1HNMR chemical shift (S) of following species/compounds is: - (June)

Find the Correct match of 1HNMR chemical shift (S)

Find the Correct Match of 1HNMR Chemical Shift (S)

Correct match of 1HNMR chemical shift (S)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 160

» Inorganic Chemistry » Organometallic Compounds » Bonding and Structure and Reactivity

Appeared in Year: 2015

MCQ▾

Question

The intermediate and final major product of the photolysis of Z.

Find the final product of photolysis of Z

Find the Final Product of Photolysis of Z

Find the final product of photolysis of Z

From the following.

1)

Correct product of photolysis is 1

Correct Product of Photolysis Is 1

Find the Correct product of photolysis

2)

Correct product of photolysis is 2

Correct Product of Photolysis Is 2

Find the Correct product of photolysis

3)

Correct product of photolysis is 3

Correct Product of Photolysis Is 3

Find the Correct product of photolysis

4)

Correct product of photolysis is 4

Correct Product of Photolysis Is 4

Correct product of photolysis is

(Dec)

Choices

Choice (4) Response

a.

1 and 4

b.

2 and 4

c.

2 and 3

d.

1 and 3

Question number: 161

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

All the given compounds have β-H and they are in close vicinity of metal. Still some of them do not undergo β-elimination, strickle them out:

i.

Still some of them do not undergo β-elimination - i

Still Some of Them Do Not Undergo Β-Elimination - I

Still some of them do not undergo β-elimination

ii.

Still some of them do not undergo β-elimination - ii

Still Some of Them Do Not Undergo Β-Elimination - Ii

Still some of them do not undergo β-elimination

iii.

Still some of them do not undergo β-elimination - iii

Still Some of Them Do Not Undergo Β-Elimination - Iii

Still some of them do not undergo β-elimination

iv.

Still some of them do not undergo β-elimination - iv

Still Some of Them Do Not Undergo Β-Elimination - Iv

Still some of them do not undergo β-elimination

Choices

Choice (4) Response

a.

(iv) and (iii)

b.

(ii), (iii), (iv)

c.

(i), (iii), (iv)

d.

All of the above

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