1.

Acidified KMnO_(4) is a very strong oxidising agent. Prove it.

Answer»

SOLUTION :(i) In the presence of dilute sulphuric acid, potassium permanganate acts as a very strong oxidising agent. Permanganate ion is converted into `MN^(2+)` ion.
`MnO_(4)^(-)+ 8H^(+) + 5e^(-) + Mn^(2+) + 4H_(2)O`
(ii) Permanganate oxidises FERROUS salt to ferric salt.
`2MnO_(4)^(-)+10Fe^(2+) + 16H^(+) to2Mn^(2+) + 10Fe^(3+) + 8H_(2)O`


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