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JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Electrode potential Ecell Nernst equation and ECS

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    Reduction potential of four elements \[P,\,\,Q,\,\,R,\,\,S\] is \[-\,2.90,\,+\,0.34,\,+\,1.20\] and \[-\,0.76.\] Reactivity decreases in the order  [MP PET 1989; UPSEAT 2001]

    A)                 \[P>Q>R>S\]     

    B)                 \[Q>P>R>S\]

    C)                 \[R>Q>S>P\]     

    D)                 \[P>S>Q>R\]

    Correct Answer: D

    Solution :

                    Reducing power i.e. the tendency to lose electrons increases as the reduction potential decreases.


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