CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 241 - 244 of 427

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Question number: 241

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

Appeared in Year: 2015

MCQ▾

Question

Reductive elimination of (coupled product) from A is facile when:

Reductive elimination

Reductive Elimination

Image showing the Reductive elimination

(June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 242

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

Appeared in Year: 2015

MCQ▾

Question

Following statements are given regarding agnostic interaction observed in ________

  1. Upfield interaction proton in spectrum.

  2. Increased shift of proton of

  3. in IR spectrum shifts to higher wavenumber

The correct answer is: (CSIR June)

Choices

Choice (4) Response

a.

1 and 3

b.

3 only

c.

2 and 3

d.

1 and 2

Question number: 243

» Physical Chemistry » Principles of Quantum Mechanics » Orbital and Spin Angular Momenta

Appeared in Year: 2012

MCQ▾

Question

For molecule in excited state spin part of triplet state with is proportional to (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 244

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

Appeared in Year: 2016

MCQ▾

Question

Olefin hydrogenation using Wilkinson’s catalyst initiates with- (MHRD sample paper)

Choices

Choice (4) Response

a.

A phosphine addition to

b.

A phosphine dissociation from

c.

Olefin addition to

d.

Olefin addition to

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