The ratio of number of moles of KMnO4 a...

The ratio of number of moles of `KMnO_4 and K _2 Cr _2 O _7`required to oxidise 0.1mol `Sn^ (+4)`in acidic medium :

A

`6:5`

B

`5:6`

C

`1:2`

D

`2:1`

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The correct Answer is:

A

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