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MGIMS WARDHA MGIMS WARDHA Solved Paper-2013

  • question_answer
    For the process,\[X(g)+{{e}^{-}}\xrightarrow[{}]{{}}{{X}^{-}}(g);\Delta H=x\]and \[{{X}^{-}}(g)\xrightarrow[{}]{{}}X(g)+{{e}^{-}};\Delta H=y\]select correct alternate.

    A)  lonisation energy of\[{{X}^{-}}(g)\] is y

    B)  Electron affinity of\[X(g)\]is\[x\]

    C)  Electron affinity of\[X(g)\]is\[-y\]

    D)  All of the above

    Correct Answer: D

    Solution :

                    \[X(g)+{{e}^{-}}\xrightarrow[{}]{{}}{{X}^{-}}(g);\Delta H=x=EA\]of \[X(g)\] \[{{X}^{-}}(g)\xrightarrow[{}]{{}}X(g)+{{e}^{-}};\Delta H=y=IE\]of\[{{X}^{-}}(g)\]                                                           \[=-EA\]of\[X(g)\] Therefore, all options are correct.


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