Enzymes in Plants Convert Nitrate into Ammonia

question 83

Multiple Choice

Enzymes in plants convert nitrate into ammonia. The unbalanced half-reaction equation is given below. What is the stoichiometric coefficient of the electrons, e^-, in the balanced reaction equation? NO₃^-(aq) + H₂O( ) + e^-  NO₂^-(aq) + OH^-(aq)

• A) 1
• B) 2
• C) 3
• D) 4
• E) 5

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