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JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Cell constant and Electrochemical cells

  • question_answer
    When a lead storage battery is discharged [IIT 1987; MP PMT 2004]

    A)                 \[F{{e}^{2+}}\]is evolved

    B)                 Lead sulphate is consumed

    C)                 Lead is formed

    D)                 Sulphuric acid is consumed

    Correct Answer: D

    Solution :

               \[Pb+Pb{{O}_{2}}+2{{H}_{2}}S{{O}_{4}}\]                 \[2PbS{{O}_{4}}+2{{H}_{2}}O\].                                 Sulphuric acid is consumed on discharging.


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