CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 77 - 81 of 427

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Question number: 77

» Inorganic Chemistry » Structure and Bonding in Homo-and Heteronuclear Molecules (VSEPR Theory)

Appeared in Year: 2011

MCQ▾

Question

Among the following pairs, those in which both the species have similar structures are: -

  1. Equation

  2. Equation

  3. Equation

  4. Equation (Dec)

Choices

Choice (4) Response

a.

(1), (2) and (3) only

b.

(2), (3), and (4) only.

c.

(1) and (3), only

d.

(1) and (2)

Question number: 78

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

Appeared in Year: 2012

MCQ▾

Question

Structure of a carborane with formula Equation 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.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 80

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

Appeared in Year: 2011

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 81

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

Appeared in Year: 2012

MCQ▾

Question

In cluster [Equation ] obeying Equation 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

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