RAJASTHAN PMT Rajasthan - PMT Solved Paper-2000

  • question_answer
    Which electronic configuration of neutral atom will have the highest  first potential:         

    A)  \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{4}}\]

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

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

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

    Correct Answer: C

    Solution :

    \[1{{s}^{2}},2{{s}^{2}}2{{p}^{3}}\]is half structure which is very stable so that ionisation potential will be high.


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