1.

When XO_(2) is fused with an alkali metal hydroxide in presence of an oxidizing agent such as KNO_(3), a dark green product is formed which disproportionates in acidic. Solution to afford a dark purple solution X is…..

Answer»

V
Mn
Cr
Ti

Solution :`MnO_(2) + 2KOH + KNO_(3) rarr K_(2)MnO_(4) + KNO_(2) + H_(2)O`
`3MnO_(4)^(2-) + 4H^(+) rarr 2MnO_(4)^(-) + MnO_(2) + 2H_(2)O`


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