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In a reaction, 4 moles of electrons are ...

In a reaction, 4 moles of electrons are transferred to one mole of `HNO_3` when acted as an oxidant. The possible reduction product is

A

1 mol of `NH_3`

B

1 mol of `NO_2`

C

`1/2` mol of `N_2`

D

`1/2` mol of `N_2O`

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The correct Answer is:
D
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