J & K CET Engineering J and K - CET Engineering Solved Paper-2011

  • question_answer
    The paramagnetic oxides of nitrogen are

    A)  dinitrogen monoxide and nitrogen monoxide

    B)  nitrogen monoxide and nitrogen dioxide

    C)  nitrogen dioxide and dinitrogen trioxide

    D)  dinitrogen trioxide  and  dinitrogen tetroxide

    Correct Answer: B

    Solution :

     Nitrogen   monoxide   (nitric   oxide)   is paramagnetic in nature due to one unpaired electron (total 11 valence electrons). It can be represented by the following resonance structures Nitrogen dioxide is also paramagnetic due to one unpaired electron. Its structure is as


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