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Number of moles of SnCl2 required for th...

Number of moles of `SnCl_2` required for the reduction of 1 mole of `K_2Cr_2O_7` into `Cr_2O_3` is (in acidic medium)

A

3

B

2

C

1

D

`1//3`

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The correct Answer is:
A
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