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JCECE Medical JCECE Medical Solved Paper-2003

  • question_answer
    The standard reduction potential of \[\text{L}{{\text{i}}^{\text{+}}}\text{,}\,\text{B}{{\text{a}}^{\text{2+}}}\text{,}\,\text{N}{{\text{a}}^{\text{+}}}\]and \[\text{M}{{\text{g}}^{2+}}\]are \[-3.05,-2.73,\]\[-2.71\]and \[-2.37\] volts respectively. Which one is the strongest reducing agent?

    A)  Li             

    B)  Na

    C)  Mg             

    D)  Ba

    Correct Answer: A

    Solution :

     Key Idea: Smaller the value of reduction potential; stronger will be reducing agent Reduction potential value indicate the ease of oxidation. Reducing agent itself undergoes oxidation. \[\because \] \[\text{L}{{\text{i}}^{\text{+}}}\]has least reduction potential. \[\therefore \]It is strongest reducing agent among given choices.


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