D-And F-Block Elements Ques 460
Question: In the laboratory, manganese (II) salt is oxidised to permanganate ion in aqueous solution by
Options:
A) hydrogen peroxide
B) cone. nitric acid
C) peroxy disulphate
D) dichromate
Show Answer
Answer:
Correct Answer: C
Solution:
In laboratory, manganese (II) ion salt is oxidised to permagnate ion in aqueous solution by peroxodi-sulphate. $ \underset{peroxodisulphateion}{\mathop{2M{{n}^{2+}}+S_2O_8^{2-}+8H_2O\xrightarrow{{}}}}, $ $ 2MnO_4^{-}+10SO_4^{2-}+16{{H}^{+}} $
