Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Given below are half-cell reactions
Will the permanganate ion, 
liberate 
from water in the presence of an acid?
A
No, because 
B
Yes, because 
C
No, because 
D
Yes, because 
Text Solution
Verified by ExpertsThe correct answer is:
D
Reaction at cathode (reduction)
Reaction at anode (oxidation)
The overall reaction is
Here, since the value of 
is positive, the reaction is spontaneous. Hence, 
will liberate 
.
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