CSIR Chemical Sciences: Questions 125 - 130 of 427

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Question number: 125

» Inorganic Chemistry » Organometallic Compounds » Organometallics in Homogeneous Catalysis

Appeared in Year: 2015

MCQ▾

Question

Among the following, species expected to show fluxonial behaviour is/are:

  1. Equation

  2. Equation

  3. Equation

  4. Equation

Choices

Choice (4) Response

a.

3 and 4

b.

1 and 4

c.

2 and 4

d.

2 and 3

Question number: 126

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

Appeared in Year: 2015

MCQ▾

Question

Refluxing of Equation with an excess of Equation in ethanol gives a complex A, ‘A’ and valence Equation on Rh are: (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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 Equation 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 Equation . 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)

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