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In a reaction 4 mole of electrons are tr...

In a reaction 4 mole of electrons are transferred to one mole of `HNO_(3)` when it acts as an oxidant . The possible reduction product is :

A

0.5 mole of `N_(2)`

B

0.5 mole of `N_(2)O`

C

1 mole of `NO_(2)`

D

1 mole of `NH_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
`overset(+5)(HNO_(3))+4e^(-)rarroverset(x)(N)`
where `x` is the O.N of nitrogen in the products
`:. 5-4 =x`
or `x=2`
As O.N of nitrogen in `N_(2)O=1`
`:.` Product formed is `N_(2)O`.
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