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JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Electrolytes and Electrolysis

  • question_answer
    On electrolysing a solution of dilute \[{{H}_{2}}S{{O}_{4}}\] between platinum electrodes, the gas evolved at the anode is                                                 [NCERT 1977, 79; MNR 1980; CBSE PMT 1992]

    A)                 \[S{{O}_{2}}\]   

    B)                 \[I{{F}_{5}}\]

    C)                 \[{{O}_{2}}\]     

    D)                 \[{{H}_{2}}\]

    Correct Answer: C

    Solution :

                    In between dilute \[{{H}_{2}}S{{O}_{4}}\] and platinum electrode \[{{O}_{2}}\] gas evolve at anode.


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