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Electrolysis
Conductors and insulators
Electrolytes and non- electrolytes
Conditions for electrolysis:
Electrodes used in electrolysis must be inert means that it doesn’t
undergo any chemical reaction.
Electrolysis of molten lead bromide:
Electrodes are made of inert carbon
Silver solid (lead)
Electrolysis of solutions:
Electrolysis of concentrated hydrochloric acid solution
Electrodes are made of graphite
Colorless gas
Pale green gas
Electrolysis of diluted sodium chloride solution
For concentrated solution of sodium chloride:
Manufacture of chlorine and sodium hydroxide:
Steel cathode
Electrolysis of diluted copper (II) sulphate solution