Which methods are usually employed for purifying the Nickel metals? Me

1.	Which methods are usually employed for purifying the Nickel metals? Mention the principles.
Answer» Purification of Nickel by Mond's process:- Impure Nickel is treated with Carbon monoxide at 60-80°C when volatile nickel carbonyl is formed which is decomposes to give pure nickel at 180°C Ni + 4CO → Ni(CO)₄ + Ni → 4CO Impure Pure

Which methods are usually employed for purifying the Nickel metals? Mention the principles.

Answer»

Purification of Nickel by Mond's process:-

Impure Nickel is treated with Carbon monoxide at 60-80°C when volatile nickel carbonyl is formed which is decomposes to give pure nickel at 180°C

Ni + 4CO → Ni(CO)₄ + Ni → 4CO

Impure Pure