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A 1M aqueous solution of copper(II) nitrate is electrolyzed. What are the predicted products at the...

A 1M aqueous solution of copper(II) nitrate is electrolyzed. What are the predicted products at the anode and cathode?

NO2 gas at the anode; copper metal at the cathode

NO2 gas at the anode; H2 gas at the cathode

N2 gas at the anode; copper metal at the cathode

O2 gas at the anode; copper metal at the cathode

O2 gas at the anode; H2 gas at the cathode

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Answer #1

Cu(NO3)2 (aq) -----> Cu+2 + NO3- + H+ + OH-

At Cathode: Reduction takes place.

At Anode : Oxidation takes place.

Answer : O2 gas at the anode; copper metal at the cathode

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