When a molten ionic hydride is electrolysed.

Options

A. hydrogen is liberated at the anode
B. hydrogen is liberated at the cathode
C. no reaction takes place
D. hydride ion migrates towards cathode

Answer

A

Explanation

`overset(+)Moverset(-)HtoM^(+) + underset("Hydride ion")(H^(-))`
`H^(-)to(1)/(2)H_(2)+e^(-)("At anode")`