J & K CET Medical J & K - CET Medical Solved Paper-2015

  • question_answer
    In\[H{{e}_{2}},\]the electrons in bonding and anti-bonding orbitals are

    A)  2, 2     

    B)  4, 2     

    C)  4, 0     

    D)  2, 4

    Correct Answer: A

    Solution :

     Number of electrons in\[H{{e}_{2}}=4\] MQ configuration of\[H{{e}_{2}}=\sigma 1{{s}^{2}},{{\sigma }^{*}}1{{s}^{2}}\] Here,\[{{N}_{b}}\](bonding electrons) = 2 \[{{N}_{a}}\] (antibonding electrons) =2


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