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MGIMS WARDHA MGIMS WARDHA Solved Paper-2004

  • question_answer
    Which among the following elements have lowest value of\[I{{E}_{1}}\]?

    A)  Pb                                         

    B)  Sn

    C)   Si                                          

    D)  C

    Correct Answer: B

    Solution :

                     The ionisation energy of Tin (Sn) is less than that of lead (Pb). It is due to the poor sheilding of d- and\[f-\]electron in Pb due to which it feels greater attraction from nucleus.


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