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The value of n in NO3^(-) + 4H^(+) + n ...

The value of n in ` NO_3^(-) + 4H^(+) + n e^(-) rarr 2 H_2O + NO` is .

A

`2`

B

`4`

C

`5`

D

`3`

Text Solution

Verified by Experts

The correct Answer is:
D
The given equation is balanced atomically . To balance it electrically , we add `3` dlectrons to the LHS.
`NO_3^(-) + 4H^(+) + 3e^(-) rarr 2H_2O + NO` .
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