oxidation/reduction

Copper into silver nitrate solution

Copper metal is placed in a silver nitrate solution.

Electrolysis of a calcium nitrate solution produces oxygen at the anode and hydrogen at the cathode.

An electric current is passed through a sulfuric acid solution. Gases collected at the electrodes are tested.

Electrolysis of a cobalt(II) nitrate solution produces oxygen at the anode, and hydrogen and cobalt at the cathode.

This animation simulates the electrolysis of a neutral aqueous solution.

Electrolysis of a nickel(II) nitrate solution produces oxygen at the anode, and hydrogen and nickel at the cathode.

Electrolysis of a hydrochloric acid solution produces oxygen at the anode and hydrogen at the cathode.

Electrolysis of a copper(II) nitrate solution produces oxygen at the anode and copper at the cathode.

In aqueous hydrochloric acid, the electrolyzed solution is acidic at both electrodes.

Electrolysis of a zinc nitrate solution produces oxygen at the anode and zinc at the cathode.