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

  • question_answer
    If the half-cell reaction \[A+{{e}^{-}}\to \,{{A}^{-}}\] has a large negative reduction potential, it follows that [MNR 1992; UPSEAT 2000, 02]

    A)                 \[A\] is readily reduced

    B)                 \[A\] is readily oxidised

    C)                 \[{{A}^{-}}\] is readily reduced  

    D)                 \[{{A}^{-}}\] is readily oxidized

    Correct Answer: D

    Solution :

                    Since \[E_{A/{{A}^{-}}}^{o}\]has large negative value, the tendency of A to be reduced to \[{{A}^{-}}\] is very small. In other words tendency of \[{{A}^{-}}\]to be oxidized to A is very large.


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