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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
    Polarization is the distortion of the shape of an anion by an adjacently placed cation. Which of the following statements is correct                                  [NCERT 1982]

    A)                 Maximum polarization is brought about by a cation of high charge

    B)                 Minimum polarization is brought about by a cation of low radius

    C)                 A large cation is likely to bring about a large degree of polarization

    D)                 A small anion is likely to undergo a large degree of polarization

    Correct Answer: A

    Solution :

                    According to Fajan?s rule, polarisation of anion is influenced by charge and size of cation more is the charge on cation, more is polarisation of anion.


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