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The oxidation state of chromium in the f...

The oxidation state of chromium in the final product formed in the reaction between KI and acidified potassium dichromate solution is

A

`+4`

B

`+6`

C

`+2`

D

`+3`

Text Solution

Verified by Experts

The correct Answer is:
D

` 6e^(-) + Cr_2 O_(7)^(2-) to 2 Cr^(3+) , 2 I^(Ө) to I_2 + 2e^(-)` Oxidation state of Cr=+3
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