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

  • question_answer
    Standard reduction potentials at \[{{25}^{o}}C\] of \[L{{i}^{+}}|Li,\,B{{a}^{2+}}|\,Ba,\,N{{a}^{+}}|\,Na\] and \[M{{g}^{2+}}|Mg\] are \[-3.05,\,-2.90,\,-2.71\] and \[-2.37\] volt respectively. Which one of the following is the strongest oxidising agent [CBSE PMT 1994; JIPMER 2002]

    A)                 \[N{{a}^{+}}\]   

    B)                 \[L{{i}^{+}}\]

    C)                 \[B{{a}^{2+}}\] 

    D)                 \[M{{g}^{2+}}\]

    Correct Answer: D

    Solution :

                    The oxidizing character i.e. acceptance of electrons increases with the reduction potential.


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