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In the purification of impoure Ni by Mon...

In the purification of impoure Ni by Mong's process, metal is puridied by

A

Electrolytic reduction

B

Vapour phase thermal decomposition

C

Thermite reduction

D

Carbon reduction.

Text Solution

Verified by Experts

The correct Answer is:
B
`underset("impure")(Ni)+4COtounderset("volatile compound")([Ni(CO)_(4)])uarrunderset("thermal decomposition")overset(200 " to "300^(@)C)tounderset("pure")(Ni)+4COuarr`
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