Inorganic Chemistry-Organometallic Compounds [CSIR (Council of Scientific & Industrial Research) Chemical Sciences]: Questions 25 - 29 of 110

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Question 25

Appeared in Year: 2012

Question MCQ▾

In a cluster total no. of involved in its formation.

Choices

Choice (4)Response

a.

60

b.

63

c.

72

d.

57

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Question 26

Appeared in Year: 2013

Question MCQ▾

Though cyclobutadine is highly unstable, & readily polymerises in its free state, its transition metal complexes could be isolated because

Choices

Choice (4)Response

a.

It engages in long-range interaction with transition metal.

b.

It becomes stable in presence of transition metals due to formation of .

c.

Its polymerization ability reduces in presence of transition metal.

d.

It gains stability due to formation of

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Question 27

Appeared in Year: 2012

Question MCQ▾

Molecule

Showing the Molecule to Obey 18e- Rule

Obeys 18 rule. Two ‘M’ satisfying the condition are:

Choices

Choice (4)Response

a.

b.

Cr, V

c.

Mo, V

d.

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Question 28

Question MCQ▾

Total number of vertices metal clusters, [ [] and [] are 6,5, 5. Predict the structure of these complexes:

Choices

Choice (4)Response

a.

Closo, Nido, Nido

b.

Arachno, Closo, Nido

c.

Arachno, nido, Closo

d.

Closo, Nido, Arachno

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Question 29

Appeared in Year: 2015

Question MCQ▾

elimination will be facile in: (June)

Choices

Choice (4)Response

a.

Finding Facile Beta-Hydrogen Elimination: Choice A

b.

Finding Facile Beta-Hydrogen Elimination: Choice B

c.

Finding Facile Beta-Hydrogen Elimination: Choice C

d.

Finding Facile Beta-Hydrogen Elimination: Choice D

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