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JEE Main & Advanced Chemistry Electrochemistry / विद्युत् रसायन Question Bank Critical Thinking Electrochemistry

  • question_answer
    A gas \[X\] at \[1\,atm\] is bubbled through a solution containing a mixture of \[1\,M\,{{Y}^{-}}\] and \[1\,M\,{{Z}^{-}}\] at \[{{25}^{o}}C\]. If the reduction potential of \[Z>Y>X\], then         [IIT 1999]

    A)                 \[Y\] will oxidize \[X\] and not \[Z\]                

    B)                 \[Y\] will oxidize \[Z\] and not \[X\]

    C)                 \[Y\] will oxidize both \[X\] and \[Z\]

    D)                 \[Y\] will reduce both \[X\] and \[Z\]

    Correct Answer: A

    Solution :

               The tendency to gain electron is in the order             Z > Y > X                 Thus \[Y+e\to Y{{\,}^{-}}\]; \[X\to {{X}^{+}}+e\].


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