Electrolysis?

0 ⤊

An aqueous copper sulfate (CuSO4) solution is electrolyzed. Copper metal is formed at one electrode, and oxygen gas at the other. Which one of the following statements is true?

The copper electrode is the cathode.

Electrons flow in the circuit towards the oxygen-evolving electrode.

The copper electrode is positive.

SO42- ions flow towards the copper electrode in the solution.

OH- ions are generated at the oxygen-evolving electrode.

2007-04-01 11:31:50 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1 answers

Only the first sentence is true.

2007-04-02 01:58:07 · answer #1 · answered by Gervald F 7 · 0⤊ 0⤋