Dinitrogen Monoxide (N₂O) Is Produced from Nitrate Ions in Aqueous

question 62

Multiple Choice

Dinitrogen monoxide (N₂O) is produced from nitrate ions in aqueous solution by anaerobic bacteria. Which one of the following statements about this reaction is not correct? 2NO₃^-(aq) H₂O(l ) N₂O(g) 2O₂(g) 2OH^-(aq)

• A)Nitrogen is reduced.
• B)Oxygen is oxidized.
• C)Water can be written as a reactant in the oxidation half reaction.
• D)Nitrate is the oxidizing agent.
• E)As written above, four electrons are transferred from oxygen to nitrogen in this reaction.

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