CSIR Chemical Sciences: Questions 189 - 192 of 329

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Question number: 189

» Inorganic Chemistry » Organometallic Compounds » Organometallics in Homogeneous Catalysis

Appeared in Year: 2013

MCQ▾

Question

For the reaction,

trans[IrCl(CO)(PPh3)2]+Cl2trans[IrCl3(CO)(PPh3)2] Correct observation is: (June)

Choices

Choice (4) Response

a.

νCO(Product)<νCO(reactant)

b.

νCO(Product)=νCO(Product)

c.

νCO(Product)=νCO(freeCO)

d.

νCO(Product)>νCO(reactant)

Question number: 190

» Inorganic Chemistry » Main Group Elements and Compounds » Structure and Bonding

Appeared in Year: 2014

MCQ▾

Question

Correct non-linear and iso-structural pair is (June)

Choices

Choice (4) Response

a.

I3+andSCl2

b.

SCl2 and I3+

c.

SCl2 and I3

d.

SCl2 and ClF2

Question number: 191

» Inorganic Chemistry » Organometallic Compounds » Synthesis

Appeared in Year: 2012

MCQ▾

Question

On reducing Fe3(CO)12 with an excess of sodium, a carbonylate ion is formed. The ion is isoelectronic with________ (CSIR NET DEC)

Choices

Choice (4) Response

a.

[Mn(CO)5]

b.

[Mn(CO)5]+

c.

[V(CO)6]

d.

[NiCO4]

Question number: 192

» Inorganic Chemistry » Organometallic Compounds » Synthesis

MCQ▾

Question

Consider the given reaction:

[M(PPh3)2COCl]H2,[M(PPh3)2COCl(H)2]

Rate of reaction for different values of M varies as.

Choices

Choice (4) Response

a.

Co<Rh<Ir

b.

Ir<Co<Rh

c.

Ir<Rh<Co

d.

Rh<Co<Ir

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