Hydrogen And Its Compounds Question 222
Question: When electric current is passed through an hydride in the molten state,
Options:
A) hydrogen is liberated at the cathode
B) hydrogen is liberated at anode
C) hydride ion migrates towards cathode
D) no reaction takes place
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ {M^{+}}{H^{-}}\to {M^{+}}+\underset{hydrideion}{\mathop{{H^{-}}}} $
$ {H^{-}}\to \frac{1}{2}H_2+{e^{-}} $ (At anode)
BETA
