J & K CET Engineering J and K - CET Engineering Solved Paper-2003

  • question_answer
    Which of the following compounds exhibit linkage isomerism?

    A) \[[Co{{(en)}_{3}}]C{{l}_{3}}\]

    B) \[[Co{{(en)}_{3}}]C{{l}_{3}}\]

    C)  \[[Co{{(en)}_{2}}N{{O}_{2}}Cl]Br\]

    D)  \[[Co{{(N{{H}_{3}})}_{5}}Cl]B{{r}_{2}}\]

    Correct Answer: C

    Solution :

      \[[Co{{(en)}_{2}}N{{O}_{2}}Cl]\,Br\]exhibits linkage isomerism because the \[\text{N}{{\text{O}}_{\text{2}}}\]group can exist as nitrito \[(-ONO)\] and nitro \[(-\text{N}{{\text{O}}_{\text{2}}})\] group. The linkage isomers of\[[Co{{(en)}_{2}}N{{O}_{2}}Cl]Br\]areas: \[[Co{{(en)}_{2}}N{{O}_{2}}Cl]Br\]and \[[Co{{(en)}_{2}}ONOCl]Br\]


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