Chlorine is prepared on a large scale by the

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Chemistry WAEC 1985

Chlorine is prepared on a large scale by the

  • electrolysis of concentrated sodium chloride solution checkmark
  • action of manganese (IV) oxide on hot concentrated hydrochloric acid
  • action of concentrated tetraoxosulphate (IV) acid on sodium chloride
  • oxidation of concentrated hydrochloric acid with potassium tetraxosulphate (VII)
  • action of dilute mineral acids on bleaching powder

The correct answer is: A

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