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Which substance serves as a reducing age...

Which substance serves as a reducing agent in the following reactions,
`14H^+ +Cr_2O_7^(2-) +3Ni rarr 2Cr^(3+) +7H_2O +3Ni^(2+)

A

`H_2O`

B

Ni

C

`H^+`

D

`Cr-2O_7^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
B
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