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JEE Main & Advanced Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना Question Bank Polarisation and Fajan's rule

  • question_answer
    Polarisibility of halide ions increases in the order [DCE 1999]

    A)                 \[{{F}^{-}},\,\,{{I}^{-}},\,\,B{{r}^{-}},\,\,C{{l}^{-}}\]           

    B)                 \[C{{l}^{-}},\,\,B{{r}^{-}},\,\,\,{{I}^{-}},\,\,\,{{F}^{-}}\]

    C)                 \[{{I}^{-}},\,\,B{{r}^{-}},\,\,C{{l}^{-}},\,\,{{F}^{-}}\]           

    D)                 \[{{F}^{-}},\,\,C{{l}^{-}},\,\,B{{r}^{-}},\,\,{{I}^{-}}\]

    Correct Answer: D

    Solution :

                    As the size of anion increases, polarity character increases.


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