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BHU PMT BHU PMT (Screening) Solved Paper-2010

  • question_answer
    The standard reduction potential of three metals\[X,Y\]and \[Z\]are 0.52, -3.03 and -1.18V respectively. The order or reducing power of the corresponding metals is

    A)  \[Y>Z>X\]

    B)  \[X>Y>Z\]

    C)  \[Z>Y>X\]

    D)  \[Z>X>Y\]

    Correct Answer: A

    Solution :

                     More negative is the value of reduction potential, higher is the reducing power. The order of reduction potential is\[\underset{'Y'}{\mathop{-3.03V}}\,>\underset{'Z'}{\mathop{-1.18V}}\,>\underset{'X'}{\mathop{0.52}}\,\] Thus, the order of reducing power is \[Y\text{ }>\text{ }Z\text{ }>\text{ }X\]


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