Q. 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 ions migrates towards cathode
Explanation
(a)
The ionic hydrides conduct electricity in molten state and liberate $H_{2}$ anode.
${CaH}_{2} + \ {2H}_{2}O\ \longrightarrow {Ca(OH)}_{2} + \ {2H}_{2} \uparrow$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.