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Haryana PMT Haryana PMT Solved Paper-2001

  • question_answer
    From   the   ground   state   electronic configuration of the elements given below, pick up the one with highest value of IInd iomisation energy :

    A)  \[1{{s}^{2}},2{{s}^{2}}2{{p}^{5}}\]

    B)  \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}}\]

    C)  \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{1}}\]

    D)  \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}\]

    Correct Answer: C

    Solution :

                    Because after removal of one electron the atom   acquires   noble   gas   stable configuration.


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