In the following question, a statement of assertion followed by a statement of reason is given. Choose the correct answer out of the following choices:
Assertion : Nickel can be purified by Mond process.
Reason : Ni(CO)4 is a volatile compound which decomposes ate 460K to give pure Ni.
Answer & explanation
Correct answer: option 1
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.