Inorganic Chemistry-Organometallic Compounds (CSIR Chemical Sciences): Questions 16 - 19 of 99

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Question number: 16

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

Appeared in Year: 2013

MCQ▾

Question

Identify order-representing increasing πacidity of following ligand. C2F4,NEt3COandC2H4

Choices

Choice (4) Response

a.

CO<C2F4<C2H4<NEt3

b.

C2H4<NEt3<CO<C2F4

c.

C2F4<C2H4<NET3<CO

d.

NEt3<C2H4<C2F4<CO

Question number: 17

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

Appeared in Year: 2013

MCQ▾

Question

Which of the following is NOTsuitable as catalyst for Hydrofomylation? (Dec)

Choices

Choice (4) Response

a.

HCO(CO)3PBu3

b.

HRh(CO)PPh3

c.

H2Rh(PPh3)Cl

d.

HCO(CO)4

Question number: 18

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

Appeared in Year: 2011

MCQ▾

Question

FeC9H8O3 has following spectra:

’HNMR: 2.5 ppm, 5.00 ppm

IR: 1900Cm1,1680Cm1

Compound follow 18e rule. Correct statements are:

  1. It has η5Cp

  2. It has CH3 ligand

  3. It has terminal CO

  4. It has FeH bond. (Dec)

Choices

Choice (4) Response

a.

(2) and (4)

b.

(3) only

c.

(1) and (3)

d.

(2) only

Question number: 19

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

Appeared in Year: 2014

MCQ▾

Question

Correct match of ’HNMR (S) of following compound.

Finding correct match of ‘HNMR (S)

Finding Correct Match of ‘HNMR (S)

Finding correct match of ‘HNMR (S)

(June)

Choices

Choice (4) Response

a.

I = 5.9, II = 7.2 and III = 9.2

b.

I = 9.2, II = 7.2 and III = 5.4

c.

I = 9.2, II = 5.4 and III = 7.2

d.

I = 7.2, II = 9.2 and III = 5.4

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