D-And F-Block Elements Ques 33

Question: When $ KMnO_4 $ is reduced with oxalic acid in acidic solution, the oxidation number of $ Mn $ changes from

[CPMT 1989]

Options:

A) 7 to 4

B) 6 to 4

C) 7 to 2

D) 4 to 2

Show Answer

Answer:

Correct Answer: C

Solution:

$ 2KMnO_4+3H_2SO_4+5C_2H_2O_4\to $ $ 2M{{n}^{2+}}+8H_2O+10,CO_2 $



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