11th Class Chemistry Alkali Metals Question Bank Alkali Metals

  • question_answer When sodium chloride solution is electrolysed, the gas that is liberated at the cathode is [Kurukshetra CEE 1998]

    A) Oxygen

    B) Hydrogen

    C) Chlorine

    D) Air

    Correct Answer: B

    Solution :

     \[2NaCl+2{{H}_{2}}O\xrightarrow{\text{Electrolysis}}\]\[2NaOH+\underset{\text{Anode}}{\mathop{C{{l}_{2}}}}\,+\underset{\text{Cathode}}{\mathop{{{H}_{2}}}}\,\]

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