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When acidified K(2) Cr(2) O(7) solution ...

When acidified `K_(2) Cr_(2) O_(7)` solution is added to `Sn^(2+)` salt, then `Sn^(2+)` changes to

A

Sn

B

`Sn^(3+)`

C

`Sn^(4+)`

D

`Sn^(+)`

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The correct Answer is:
C
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