Published by:
CGP EDU Academic Team
Published on: August 13, 2026
Consider the following reactions:
I. 
II. 
Which of the following alternatives is correct for the given reactions
A
acts as an oxidising agent in both reactions I and II.
B
acts as a reducing agent in both reactions I and II.
C
acts as an oxidising agent in reaction I and as a reducing agent in reaction II.
D
acts as a reducing agent in reaction I and as a oxidising agent in reaction II.
Text Solution
Verified by ExpertsThe correct answer is:
C
In reaction 
is liberating iodine from potassium iodide solution. During the course of the reaction, 
is oxidised from −1 to 0 oxidation state. In reaction 
is liberating oxygen from manganese dioxide. During the course of the reaction, Mn is reduced from 
4 to 
2 oxidation state.
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