CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2002

  • question_answer
    Oxygen molecule contains:

    A)  no unpaired electron

    B)  one unpaired electron

    C)  two unpaired electrons

    D)  three unpaired electrons

    E)  four unpaired electrons

    Correct Answer: C

    Solution :

    In oxygen molecules Number of electrons = 8 \[=1{{s}^{2}},2{{s}^{2}},2{{p}^{4}}\] So, the unpaired electrons are 2.


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