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Question

Chemistry Question on General Principles and Processes of Isolation of Elements

Carbon monoxide forms volatile compound with

A

NiNi

B

CuCu

C

AlAl

D

SiSi

Answer

NiNi

Explanation

Solution

Nickel on heating in a stream of carbon monoxide forms a volatile complex, nickel tetracarbonyl. Ni+4CO−>[330−350 K][Ni(CO)4] { Ni + 4CO ->[330 - 350\, K] [Ni(CO)_4]}