Enzymes in plants convert nitrate into ammonia. The unbalanced half-reaction equation is given below. What is the change in oxidation number of nitrogen in this reaction? NO₃^-(aq) + H₂O( ) + e^- $\rightarrow$NO₂^-(aq) + OH^-(aq)

Question

Quizplus · Accepted Answer

The nitrogen in nitrate has an oxidation number of +5, while the nitrogen in ammonia has an oxidation number of -3. Therefore, the change in oxidation number of nitrogen is -2.

Enzymes in Plants Convert Nitrate into Ammonia →\rightarrow→ NO2-(aq) + OH-(aq) A) 0 B) +5 C) +3 D)

Enzymes in Plants Convert Nitrate into Ammonia $\rightarrow$ NO₂^-(aq) + OH^-(aq)
A) 0
B) +5
C) +3
D)