Inorganic Chemistry-Transition Elements and Coordination Compounds (CSIR Chemical Sciences): Questions 8 - 11 of 59

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Question number: 8

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Reaction Mechanisms

Appeared in Year: 2015

MCQ▾

Question

Correct statement about substitution reaction of [Co(CN)5Cl]3 with OH to give [Co(CN)5(OH)]3 is (Dec)

Choices

Choice (4) Response

a.

Its rate is dependent only on concentration of OH

b.

It follows the SN1CB

c.

Obeys 1st order kinetics

d.

Its rate is proportional to concentration of both reactants.

Question number: 9

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Reaction Mechanisms

Appeared in Year: 2015

MCQ▾

Question

Reductive elimination of ArR (coupled product) from A is facile when. (CSIR June)

Reductive elimination of Ar-R coupled product

Reductive Elimination of Ar-R Coupled Product

Reductive elimination of Ar-R coupled product

Choices

Choice (4) Response

a.

R=CH2Ph

b.

R=CH2COPh

c.

R=CH2CF3

d.

R=CH3

Question number: 10

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Reaction Mechanisms

Appeared in Year: 2015

MCQ▾

Question

Correct statement about the substitution reaction of [Co(CN)5Cl]3 with OH to give [Co(CN)5(OH)]3 is (Dec)

Choices

Choice (4) Response

a.

It follows SN1CB mechanism

b.

Its rate is dependent only on concentration of [OH]

c.

Its rate is proportional to concentration of both the reactants.

d.

It obeys first order kinetics.

Question number: 11

» Inorganic Chemistry » Transition Elements and Coordination Compounds » Spectral and Magnetic Properties

Appeared in Year: 2015

MCQ▾

Question

[MnO4] is deep purple in colour whereas [ReO4] is colourless. This is due to greater energy required for________ (Dec)

Choices

Choice (4) Response

a.

Charge transfer from O to Re compared to O to Mn

b.

dd transition in Re compound compared to Mn compound

c.

Charge transfer from O to Mn compared to Re

d.

dd transition in Mn compound compared to Re compound

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