When a molten metal hydride is electrolysed?

Options

A. `H^(+)` ions produced move towards the cathode
B. `H^(-)` ions produced move towards the anode
C. `H_(2)` is liberated at anode
D. `H_(2)` is liberated at cathode

Answer

C

Explanation

`MHhArrM^(+)+H^(-)`
Anode `2H^(-)rarrH_(2)+2e^(-)`
Cathode `M^(+)+e^(-)rarrM`