D And F Block Elements Question 176
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+5H_2C_2O_4\to $ $ 2M{{n}^{2+}}+8H_2O+10,CO_2 $
BETA
