JCECE Medical JCECE Medical Solved Paper-2007

  • question_answer
    Which of the following does not have optical isomer?

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

    B)  \[[Co{{(e{{n}_{3}})}_{3}}]C{{l}_{2}}\]

    C)  \[[Co(e{{n}_{2}})C{{l}_{2}}]Cl\]

    D)  \[[Co(en){{(N{{H}_{3}})}_{2}}C{{l}_{2}}]Cl\]

    Correct Answer: A

    Solution :

     Octahedral complexes of type \[[M{{a}_{2}}{{b}_{2}}{{c}_{2}}]\]and [Mabcdef], \[[M{{(AA)}_{3}}],\,[M{{(AA)}_{2}}{{a}_{2}}],\]\[[M(AA){{a}_{2}}{{b}_{2}}],[M{{(AA)}_{2}}ab]\] and \[[M{{(AA)}_{3}}]\] show optical isomerism due to asymmetric molecules, octahedral complex of type \[[M{{a}_{4}}{{b}_{2}}]\]and \[[M{{a}_{3}}{{b}_{3}}]\]do not show optical isomerism


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