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The number of of electrons required to b...

The number of of electrons required to balance the following equation
`NO_3^(-) +4H^(+) + e^(-) rarr 2H_2O +NO` is _______

Text Solution

Verified by Experts

The correct Answer is:
3
`NO_(3)^(-) +4H^(-) rarr 2H_2 O+No`
In this equation , all the atoms are balanced . To balance charge add `3e^(-)` to L.H.S., we have
`NO_3^(-) + 4H^(+)+3e^(-) rarr 2H_(2)O+NO`
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