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

question 23

Multiple Choice

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(l) + e^- $\rarr$ 0 NO₂^-(aq) + OH^-(aq)

• A) 0
• B) +5
• C) +3
• D) -2
• E) -3

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