Enzymes in Plants Convert Nitrate into Ammonia $\rightarrow$ NO₂ + (Aq) ++OH^-(aq)
A)0
B)1
C)2
D)3
E)4

Multiple Choice

Enzymes in plants convert nitrate into ammonia.The unbalanced half-reaction equation is given below.What is the stoichiometric coefficient of the nitrite ion in the balanced reaction equation?
NO₃ -(aq) + H₂O(l) + e^- $\rightarrow$ NO₂ + (aq) ++OH^-(aq)

A) 0
B) 1
C) 2
D) 3
E) 4