Question
Chemistry Question on Redox reactions
On reduction of KMnO4 by oxalic acid in acidic the oxidation number of Mn changes.What is the magnitude of this change ?
A
From 7 to 2
B
From 6 to 2
C
From 5 to 2
D
From 7 to 4
Answer
From 7 to 2
Explanation
Solution
Mn changes from oxidation no. of +7 in KMnO4 to +2 in Mn+2