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Pure anhydrous MgCl(2) can be prepared f...

Pure anhydrous `MgCl_(2)` can be prepared from the hydrated salt by

A

heating the hydrate to red heat in the atmosphere of HCl gas

B

melting the hydrate

C

heating the hydrate with coke

D

heating the hydrate with Mg ribbon.

Text Solution

Verified by Experts

The correct Answer is:
A
By heating the hydrate to red heat in the atmosphere of HCl gas. On simple heating, hydrolysis takes place. Hence, to prevent hydrolysis, dry HCl gas is used.
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