JCECE Engineering JCECE Engineering Solved Paper-2009

  • question_answer
    Which of the following represents the Lewis structure of \[{{N}_{3}}\] molecule?

    A) \[_{\text{X}}^{\text{X}}N\equiv N_{\text{X}}^{\text{X}}\]                         

    B) \[_{\text{X}}^{\text{X}}\overset{\text{X}\,\,\text{X}}{\mathop{N}}\,\equiv \overset{\text{X}\,\,\text{X}}{\mathop{N}}\,_{\text{X}}^{\text{X}}\]

    C)  \[_{\text{X}}^{\text{X}}\overset{\text{X}\,\,\text{X}}{\mathop{N}}\,_{\text{X}}^{\text{X}}-\underset{\text{X}\,\,\text{X}}{\mathop{\overset{\text{X}\,\,\text{X}}{\mathop{N}}\,_{\text{X}}^{\text{X}}}}\,\]                               

    D)  \[\underset{\text{X}\,\,\text{X}}{\mathop{_{\text{X}}^{\text{X}}\overset{\text{X}\,\,\text{X}}{\mathop{N}}\,}}\,_{\text{X}}^{\text{X}}-\underset{\text{X}\,\,\text{X}}{\mathop{\overset{\text{X}\,\,\text{X}}{\mathop{N}}\,_{\text{X}}^{\text{X}}}}\,\]

    Correct Answer: A

    Solution :

    Lewis structure of \[{{N}_{2}}\] molecule is


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