A) hydrogen is liberated at anode
B) hydrogen is liberated at cathode
C) no change takes place
D) hydride for migrates towards cathode
E) hydride ion remains in solution
Correct Answer: A
Solution :
The ionic hydrides conduct electricity in molten state and liberate\[{{H}_{2}}\]at anode. \[Ca{{H}_{2}}+2{{H}_{2}}O\xrightarrow{{}}Ca{{(OH)}_{2}}+2{{H}_{2}}\uparrow \]
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