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    Chemistry
    Grade-10
    Easy

    Question

    When electricity is transmitted through a carbon electrode electrolytic cell,___________ is produced at anode.

    1. CO2
    2. H2
    3. O2
    4. H2O

    hintHint:

    If no halide ions are there then oxygen is produced

    The correct answer is: O2

      • Oxygen is produced (from hydroxide ions), unless halide ions (chloride, bromide or iodide ions) are present. In that case, the negatively charged halide ions lose electrons and form the corresponding halogen (chlorine, bromine or iodine).

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