KVPY Sample Paper KVPY Stream-SX Model Paper-25

  • question_answer
    Two pi and half sigma bonds are present in:

    A) \[O_{2}^{+}\]

    B) \[{{N}_{2}}\]

    C) \[{{O}_{2}}\]   

    D) \[N_{2}^{+}\]

    Correct Answer: D

    Solution :

    \[N_{2}^{\oplus }\to BO=2.5\]\[\Rightarrow \left[ \pi -Bond=2\,and\,\sigma -Bond=\frac{1}{2} \right]\]
    \[{{N}_{2}}\Rightarrow B.O.=3.0\]\[\Rightarrow \left[ \pi -Bond=2\,and\,\sigma -Bond=1 \right]\]
    \[O_{2}^{\oplus }\Rightarrow B.O.=2.5\]\[\Rightarrow \left[ \pi -Bond=1.5\,and\,\sigma -Bond=1 \right]\]
    \[{{O}_{2}}\Rightarrow B.O.=2\]\[\Rightarrow \left[ \pi -Bond=1\,and\,\sigma -Bond=1 \right]\]


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