Question

What is hydrogen for in mond process?

Answer 1

Explanation:

The Mond process is a method for refining nickel. The nickel oxide and impurities react with the hydrogen gas to form an impure solid nickel. Nickel reacts with the carbon monoxide, forming nickel carbonyl, a gas. The impurities remain as solids.

Answer 2

Answer:

Explanation:

Mond's process was named after the scientist Ludwig Mond. This process is also known as carbonyl process and is used to extract and purify nickel.

This Mond process involves three steps for purification of Nickel.

1)  a mixture of hydrogen gas and carbon monoxide gas is added to the Nickel. In this reaction, an impure solid Nickel is formed.

2) pure Nickel present in the impure solid Nickel will readily react with carbon monoxide gas to form Nickel carbonyl gas.

3)Nickel carbonyl gas on heating decomposes to form pure Nickel and carbon monoxide.

This process is completed by use of a method called vapour phase refining.

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