Haryana PMT Haryana PMT Solved Paper-2008

  • question_answer
    According to MOT, \[{{C}_{2}}\] molecule has

    A)  one a and one n bond

    B)  only two n bonds

    C)  only two a bonds

    D)  one o and two n bonds

    Correct Answer: B

    Solution :

                    \[Cu(12)=\sigma 1{{s}^{2}},{{\sigma }^{*}}1{{s}^{2}},\sigma 2{{s}^{2}},{{\sigma }^{*}}2{{s}^{2}},\pi 2{{p}_{x}}^{2},\pi 2{{p}_{y}}^{2}\]\[{{C}_{2}}\] has two pair of electrons in \[\pi 2{{p}_{x}}\] and \[\pi 2{{p}_{y}}\].


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