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NEET AIPMT SOLVED PAPER SCREENING 2011

  • question_answer
    Standard electrode potential of three metals X, Y and Z are -1.2 V, + 0.5 V and -3.0 V respectively. The reducing power of these metal will be

    A)  Y > X > Z             

    B)  Z > X > Y                             

    C)  X > Y > Z        

    D)         Y > Z > X

    Correct Answer: B

    Solution :

    \[E_{X}^{o}=-1.2V;\] \[E_{Y}^{o}=+0.5V;\] \[E_{Z}^{o}=-3.0V;\] \[\therefore Z>X>Y\][\[\because \]higher the reduction potential, lesser the reducing power.


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