CSIR (Council of Scientific & Industrial Research) Chemical Sciences: Questions 61 - 65 of 427

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Question number: 61

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

Appeared in Year: 2013

MCQ▾

Question

The oxidation state of molybdenum in

Choices

Choice (4) Response

a.

+1

b.

+2

c.

-1

d.

0

Question number: 62

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

Appeared in Year: 2011

MCQ▾

Question

Molecule with highest number of lone pair and has a linear shape on VSEPR theory is: - (June)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 63

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

Appeared in Year: 2013

MCQ▾

Question

In metal-olefin infraction, extent of increase in metalolefin -back-donation would

Choices

Choice (4) Response

a.

Lead to decrease in bond length

b.

Change in formal oxidation state of metal.

c.

Change in hybridization of carbon

d.

Increase with presence of electron donating group on carbon.

Question number: 64

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

Appeared in Year: 2011

Match List-Ⅰ List-Ⅱ▾

Question

Match list I (Compounds) with list II (Structures), and select the correct answer using the codes gives below: - (Dec)
List-Ⅰ (Compounds) List-Ⅱ (Structures)

(A)

(i)

Square planar

(B)

(ii)

Tetrahedral

(C)

(iii)

Distorted tetrahedral

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)

a.

  • (i)
  • (iii)
  • (ii)

b.

  • (ii)
  • (i)
  • (iii)

c.

  • (i)
  • (ii)
  • (iii)

d.

  • (ii)
  • (iii)
  • (i)

Question number: 65

» Inorganic Chemistry » Chemical Periodicity

Appeared in Year: 2013

MCQ▾

Question

Molecule in which bond order increases on addition of an electron is (Dec)

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
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