J & K CET Medical J & K - CET Medical Solved Paper-2010

  • question_answer
    The reduction potential values of X, Y and Z are \[-\text{ }3.05\text{ }V,~~-\text{ }0.44\text{ }V\]and\[-\text{ }0.83\text{ }V\]respectively. Which of the following order is correct with respect to their reducing property?

    A) \[X\text{ }>\text{ }Y\text{ }>\text{ }Z\]                

    B)  \[X\text{ }>\text{ }Z\text{ }>\text{ }Y\]

    C) \[Y\text{ }>\text{ }Z\text{ }>\text{ }X\]                

    D) \[Z\text{ }>\text{ }Y\text{ }>\text{ }X\]

    Correct Answer: B

    Solution :

                    More negative value of reduction potential shows the stronger reducing nature. The order of reduction potential values (with negative sign) of given elements is \[\underset{(-3.05)}{\mathop{X}}\,>\underset{(-0.83V)}{\mathop{Z}}\,>\underset{(-0.44V)}{\mathop{Y}}\,\] Thus, the order of reducing property is \[X>Z>Y\]


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