CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 78 - 84 of 427

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Question number: 78

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

Appeared in Year: 2012

MCQ▾

Question

Structure of a carborane with formula is

Choices

Choice (4) Response

a.

Nido-borane

b.

Closo-borane

c.

Arachno-borane

d.

Conjucto-borane

Question number: 79

» Inorganic Chemistry » Bioinorganic Chemistry » Nitrogen Fixation

Appeared in Year: 2011

MCQ▾

Question

Reduction of nitrogen to ammonia, carried out by enzyme nitrogenase needs: - (Dec)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 80

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

Appeared in Year: 2011

MCQ▾

Question

In trans Complex, CO stretching frequency for pyridine, decreases in order (Dec)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 81

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

Appeared in Year: 2012

MCQ▾

Question

In cluster [] obeying rule, number of metal-metal bond and bridging ligand are

Choices

Choice (4) Response

a.

6 and 1 CH

b.

3 and 1 CH

c.

3 and 1 CO

d.

0 and 3 CO

Question number: 82

» Inorganic Chemistry » Acids and Bases, Hard - Soft Acid Base Concept, Non - Aqueous Solvents

Appeared in Year: 2011

MCQ▾

Question

Among the following, numbers of anhydrides of acids are: -

Choices

Choice (4) Response

a.

3

b.

4

c.

5

d.

6

Question number: 83

» Inorganic Chemistry » Bioinorganic Chemistry » Metalloenzymes

Appeared in Year: 2013

MCQ▾

Question

Metal ions present in active site of Nitrogenase enzyme cofactor are- (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 84

» Inorganic Chemistry » Acids and Bases, Hard - Soft Acid Base Concept, Non - Aqueous Solvents

Appeared in Year: 2013

MCQ▾

Question

Two tautomeric forms of phosphorous acid are: - (Dec)

Choices

Choice (4) Response

a.

Two tautomeric forms of phosphorous acid : Choice A

Two Tautomeric Forms of Phosphorous Acid: Choice A

Find the Two tautomeric forms of phosphorous acid

b.

Two tautomeric forms of phosphorous acid : Choice B

Two Tautomeric Forms of Phosphorous Acid: Choice B

Find the Two tautomeric forms of phosphorous acid

c.

Two tautomeric forms of phosphorous acid : Choice C

Two Tautomeric Forms of Phosphorous Acid: Choice C

Find the Two tautomeric forms of phosphorous acid

d.

Two tautomeric forms of phosphorous acid : Choice D

Two Tautomeric Forms of Phosphorous Acid: Choice D

Find the Two tautomeric forms of phosphorous acid

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