CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 148 - 152 of 427

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Question number: 148

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Based on above reaction, find the correct pairs

Based on Above Reaction, Find the Correct Pairs

Based on above reaction, find the correct pairs

In above reaction, correct pair is:

i: I = Reductive Elimination

ii: II = Oxidative addition,

iii: I = Oxidative addition,

iv: II = Reductive elimination,

Choices

Choice (4) Response

a.

i and iii

b.

i and ii

c.

iii and iv

d.

ii and iv

Question number: 149

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Reaction of with OH- leads to complex A which on oxidation with MnO2 gives B compound A and B are.

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 150

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Given compound P = Ln-Ti Et, Q = Ln-Pb-Et Which of following is correct for -H abstraction

Choices

Choice (4) Response

a.

P > Q

b.

P = 2Q

c.

P = Q

d.

P < Q

Question number: 151

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Among the following, which compound will NOT undergo oxidative addition reaction with

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 152

» Organic Chemistry » Aromaticity » Benzenoid and Non-Benzenoid Compounds

Appeared in Year: 2011

MCQ▾

Question

Among the carbocations given below: -

 Different carbocations are given 1

Different Carbocations Are Given 1

Find the Different carbocations are given

 Different carbocations are given 2

Different Carbocations Are Given 2

Find the Different carbocations are given

 Different carbocations are given 3

Different Carbocations Are Given 3

Find the Different carbocations are given

(June)

Choices

Choice (4) Response

a.

1 is antiaromatic, 2 is aromatic and 3 is homoaromatic

b.

1 is homoaromatic, 2 is antiaromatic, 3 is aromatic

c.

1 is aromatic, 2 is antiaromatic, 3 is homoaromatic

d.

1 is homoaromatic, 2 is aromatic and 3 is antiaromatic.

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