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When electric current is passed through ...

When electric current is passed through an ionic hydride in molten state :

A

hydrogen is liberated at anode

B

hydrogen is liberated at cathode

C

no change takes place

D

hydride for migrates towards cathode

Text Solution

Verified by Experts

The correct Answer is:
A
The ionic hydrides conduct electricity in molten state and libereate `H_2 ` at anode.
` CaH_2 +2H_2O to Ca(OH)_2 +2H_2 uparrow `
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