Inorganic Chemistry (CSIR Chemical Sciences): Questions 33 - 38 of 207

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Question number: 33

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

Appeared in Year: 2012

MCQ▾

Question

Structure of a carborane with formula C2B4H8 is

Choices

Choice (4) Response

a.

Nido-borane

b.

Closo-borane

c.

Arachno-borane

d.

Conjucto-borane

Question number: 34

» 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.

Be

b.

2e

c.

6e

d.

4e

Question number: 35

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

Appeared in Year: 2011

MCQ▾

Question

In trans PtCl2(CO) Complex, CO starching frequency for L=NH3, pyridine, NMe3 decreases in order (Dec)

Choices

Choice (4) Response

a.

NH3>pyridine>NMe3

b.

NMe3>NH3>pyridine

c.

Pyridine>NH3>NMe3

d.

Pyridine>NMe3>NH3

Question number: 36

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

Appeared in Year: 2012

MCQ▾

Question

In cluster [ CO3(CH)(CO)9 ] obeying 18e 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: 37

» 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: -

CO,NO,N2O,N2O5,SO3andP4O10. (June)

Choices

Choice (4) Response

a.

3

b.

4

c.

5

d.

6

Question number: 38

» 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.

Fe,Mo

b.

Fe,Cu

c.

Fe,Ni

d.

Fe,W

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