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When concentrated sodium chloride solution is electrolysed using inert electrodes the products are?

Chemistry
WAEC 2002

When concentrated sodium chloride solution is electrolysed using inert electrodes the products are?

  • A. oxygen and hydrogen
  • B. hydrogen and oxygen
  • C. sodium and oxygen
  • D. soduim hydroxide, hydrogen and chlorine
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Correct Answer: Option D
Explanation

When concentrated NaCl solution undergoes electrolysis, sodium hydroxide and hydrogen are produced at the cathode while chlorine is produced at the anode.

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