Hydrogen And Its Compounds Question 172
Question: When electric current is passed through an ionic hydride in the molten state
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
Show Answer
Answer:
Correct Answer: A
Solution:
$ {M^{+}}{H^{-}}\to {M^{+}}+\underset{\text{Hydride ion}}{\mathop{{H^{-}}\ \ }} $
$ {H^{-}}\to \frac{1}{2}H_2+{e^{-}} $ (At anode)
BETA
