Inorganic Chemistry-Organometallic Compounds (CSIR Chemical Sciences): Questions 24 - 27 of 99

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Question number: 24

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

Appeared in Year: 2011

MCQ▾

Question

No. of antibonding Equation in NO and CO according to NOT are

Choices

Choice (4) Response

a.

2, 2

b.

3, 2

c.

2, 3

d.

1, 0

Question number: 25

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

Appeared in Year: 2012

MCQ▾

Question

For the molecule

Structure of molecule given here

Structure of Molecule Given Here

Structure of molecule given here

Choose the correct option at room temperature.

  1. ’HNMR has singlets at 5.48 and 3.18 ppm

  2. ’HNMR has multiplet at 5.48 and singlet 3.18 ppm

  3. IR has CO stretching bands at 1950 and 1860 Equation

  4. IR has only one CO stretching bend at 1900 Equation correct pair of statement.

Choices

Choice (4) Response

a.

1 and 4

b.

2 and 3

c.

1 and 3

d.

2 and 4

Question number: 26

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

Appeared in Year: 2012

MCQ▾

Question

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

Choices

Choice (4) Response

a.

72

b.

60

c.

57

d.

63

Question number: 27

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

Appeared in Year: 2013

MCQ▾

Question

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

Choices

Choice (4) Response

a.

It gains stability due to formation of Equation

b.

It engages in long-range interaction with transition metal.

c.

Its polymerization ability reduces in presence of transition metal.

d.

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

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