Question

assertion : Nickel can be purified by Mond process.
Reason: Ni (CO). is a volatile compound which decomposes at 460K to
give pure Ni​

Answer 1

Answer:

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Explanation:

Ni (CO)4 is a volatile compound which decomposes at 460K to give pure Ni. Assertion : Nickel can be purified by Mond process. ... Reason : Ni (CO)4 is a volatile compound which decomposes at 460K to give pure Ni.

Nickel is heated in a stream of carbon monoxide forming a volatile complex nickel tetracarbonyl which on further decomposition gives pure Ni. This process is called Mond process.

Ni+4CO

330−450K

Ni(CO)

4

Ni(CO)

4

450−470K

Ni+4CO