An Aqueous Solution of Potassium Nitrate (KNO₃) Is Subject to Electrolysis

question 27

Multiple Choice

An aqueous solution of potassium nitrate (KNO₃) is subject to electrolysis using copper electrodes. The initial products of the oxidation-reduction reaction are:

• A) K and O₂
• B) H₂ and O₂
• C) H₂ and Cu²⁺
• D) K and Cu²⁺
• E) none of these

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