Question

One mole of $HN{O}_3$ absorbs $4$ moles of electrons in a redox reaction. The reduced product of this reaction is :

• A. 1 mole of $N_2$
• B. 1 mole of $N_{2}O$
• C. 1 mole of $N{O}_2$
• D. 1 mole of $N{H}_3$

Answer 1

The correct option is B 1 mole of $N_{2}O$

One mole of $HN{O}_3$ absorbs $4$ moles of electrons in a redox reaction. The reduced product of this reaction is 1 mole of $N_{2}O$. The oxidation state of N changes from +5 (in $HN{O}_3$) to +1 (in $N_{2}O$).