1.

In the laboratory, manganese (II) salt is oxidised to permanganate ion in aqueous solution by

Answer»

HYDROGEN peroxide
cone. nitric acid
peroxodisulphate
dichromate

SOLUTION :In laboratory, manganese (II) ion SALT is oxidised to permagnate ion in aqueous solution by peroxodisulphate.
`UNDERSET("Peroxodisulphate ion")(2Mn^(2+)+S_(2)O_(8)^(2-)+8H_(2)O) to 2MnO_(4)^(-)+10SO_(4)^(2-)+16H^(+)`


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