CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2006

  • question_answer
    Which of the following can participate in linkage isomerism?

    A)  \[N{{O}_{2}}\]                

    B)  \[{{H}_{2}}\overset{\,\,\bullet \,\,\bullet }{\mathop{N}}\,C{{H}_{2}}C{{H}_{2}}\overset{\,\,\bullet \,\,\bullet }{\mathop{N}}\,{{H}_{2}}\]

    C)  \[{{H}_{2}}O\]                 

    D)  \[_{\bullet }^{\bullet }N{{H}_{3}}\]

    Correct Answer: A

    Solution :

    \[NO_{2}^{-}\] can participate in linkage isomerism because it may be bonded to metal through nitrogen or through oxygen.                 \[\underset{\begin{smallmatrix}  Pentaamminenitro \\  cobalt\text{ (}III\text{) }chloride \end{smallmatrix}}{\mathop{[\,{{(N{{H}_{3}})}_{5}}CoN{{O}_{2}}]C{{l}_{2}}}}\,\] and        \[\underset{\begin{smallmatrix}  Pentaamminenitro \\  cobalt\text{ (}III\text{) }chloride \end{smallmatrix}}{\mathop{[\,{{(N{{H}_{3}})}_{5}}CoONO]C{{l}_{2}}}}\,\]


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