CSIR Chemical Sciences: Questions 127 - 132 of 427

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Question number: 127

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Understanding the dissociative reaction mechanism

Understanding the Dissociative Reaction Mechanism

Showing the the dissociative reaction mechanism

Above reaction follows dissociative mechanism, number of PPh3 which can substitute CO solvent used are:

Choices

Choice (4) Response

a.

3, THF

b.

5, DMSO

c.

2, THF

d.

4, DMSO

Question number: 128

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Vaska’s reagent is treated with CH3I . It will undergo

Choices

Choice (4) Response

a.

Reduction Elimination

b.

Orthometallation

c.

Oxidative addition

d.

Transmetallation

Question number: 129

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Mond’s process is used for purification of: -

Choices

Choice (4) Response

a.

Fe

b.

Ni

c.

Mo

d.

Co

Question number: 130

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

For the given concentric reaction

 Finding A, B and C in the concentric reaction

Finding a, B and C in the Concentric Reaction

Showing the A, B and C in the concentric reaction

A, B, C are:

Choices

Choice (4) Response

a.

Oxidative addition, migratory insertion, (Transmetallation, + reductive elimination).

b.

Reductive elimination, oxidative addition, substitution

c.

Oxidative addition, (Carbo-palladation + Migratory insertion), (transmetallation + reductive elimination)

d.

Addition reaction, substitution, (Transmetallation + reductive elimination)

Question number: 131

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

Appeared in Year: 2013

MCQ▾

Question

Number of metal-metal bond in Ir4(CO)12

Choices

Choice (4) Response

a.

12

b.

4

c.

6

d.

10

Question number: 132

» Inorganic Chemistry » Organometallic Compounds » Synthesis

Appeared in Year: 2011

MCQ▾

Question

Catalyst involved in carrying out metathesis of 1-butene to give ethylene and 3-hercene is: (CSIR NET Dec)

Choices

Choice (4) Response

a.

Catalyst involved in carrying out metathesis – Choice A

Catalyst Involved in Carrying Out Metathesis – Choice A

Showing the Catalyst involved in carrying out metathesis

b.

Na2PdCl4

c.

CO2(CO)8,H2

d.

RhCl(PPh3)3

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