1.

If `HNO_(3)` changes into `N_(2)O`, the oxidation number is changed byA. `+2`B. `-1`C. `0`D. `+4`

Answer» Correct Answer - D
`underset(x=+5)underset(1+x-6=0)(HNO_(3))rarr underset(x=(2)/(2)=+1)underset(2x-2=0)underset(2x-2=0)(N_(2)O)`


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