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MnO(4)^(-) ions can be reduced in strong...

`MnO_(4)^(-)` ions can be reduced in strongly alkaline medium to give

A

`MnO_2`

B

`Mn^(2+)`

C

`MnO_4^(2-)`

D

`MnO_3^-`

Text Solution

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The correct Answer is:
C
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MnO_(4)^(-) ions are reduced in acidic conditions to Mn^(2+) ions whereas they are reduced in neutral condition to MnO_(2) . The oxidation of 25 mL of a solution x containing Fe^(2+) ions required in acidic condition 20 mL of a solution y containing MnO_(4) ions. What value of solution y would be required to oxidize 25 mL of solution x containing Fe^(2+) ions in neutral condition ?

Assertion : In acid solution, permanganate is reduced to Mn^(2+) by an excess of reducing agent. Reason : MnO_(4)^(-) reduced in Mn^(2+) in acidic medium and the product in the presence of an excess of permanganate is MnO_(2) .

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