RAJASTHAN ­ PET Rajasthan PET Solved Paper-2002

  • question_answer
    From\[B{{e}^{2+}}\]to\[B{{e}^{2+}},\]on moving from top to bottom the ionic radius

    A)  decreases

    B)  increases

    C)  first decreases and then increases

    D)  first increases and then decreases

    Correct Answer: B

    Solution :

     On moving from top to bottom in a group the ionic radius increases because number of shells increase.


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