In the laboratory, manganese(II) salt is oxidised to permanganate ion in aqueous solution by
Options
(a) hydrogen peroxide
(b) conc.nitric acid
(c) peroxydisulphate
(d) dichromate
Correct Answer:
peroxydisulphate
Explanation:
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2Mn2+ + s2o82- + 8 H2O =
Peroxydisulphate ion
2Mno4- + 10so42- + 16H+