Caption: Growing tin crystals by electrolysis. Electrodes supplying power for the electrolysis of a solution of tin (II) chloride (SnCl2), also called stannous chloride. The negative electrode (cathode) is at right, and the positive electrode (anode) is at left. The tin ions gain electrons at the cathode to form metal crystals, seen forming here. At the anode, chloride ions lose electrons to form chlorine gas. The water is also electrolysed, forming hydrogen ions and oxygen gas. These gases are seen bubbling at the anode at left.

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Growing tin crystals by electrolysis

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Duration: 00:01:01.27

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