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Which substance is serving as a reducing...

Which substance is serving as a reducing agent in the following reaction?
`14H^(+)+Cr_(2)O_(7)^(2-)+3Ni rarr 2Cr^(3+)+7H_(2)O+3Ni^(2+)`

A

`H_(2)O`

B

Ni

C

`H^(+)`

D

`Cr_(2)O_(7)^(2-)`

Text Solution

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The correct Answer is:
A
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OP TANDON-OXIDATION AND REDUCTION (REDOX REACTIONS)-LEVEL A
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  11. Consider the following reaction: 6FeSO(4)+K(2)Cr(2)O(7)+7H(2)SO(4)t...

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  12. In the reaction 8Al+3Fe(3)O(4)rarr 4Al(2)O(3)+9Fe the number of el...

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  13. Which of the following examples does not represent disproportionation ...

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  14. Why the following reaction is not possible?

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