JEE Main & Advanced Sample Paper JEE Main Sample Paper-26

  • question_answer
    Which of the following complex species is not expected to exhibit optical isomerism? 

    A) \[{{[Co{{(en)}_{3}}]}^{3+}}\]

    B) \[{{[Co{{(en)}_{2}}C\,{{l}_{2}}]}^{3+}}\]

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

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

    Correct Answer: C

    Solution :

    \[[Co(N{{H}_{3}})\,C{{l}_{3}}]\]how facial as well as meridional isomersm. But both contain plane of symmetry. So, the answer is (3)

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