JEE Main & Advanced Chemistry Coordination Chemistry Question Bank Critical Thinking Coordination

  • question_answer
    Which one of the following has largest number of isomers? [AIEEE 2004]

    A) \[{{[Ir{{(P{{P}_{3}})}_{2}}H(CO)]}^{2+}}\]

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

    C) \[{{[Ru{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]}^{+}}\]

    D) \[{{[Co{{(en)}_{2}}C{{l}_{2}}]}^{+}}\] (R = alkyl group; en = ethylenediamine)

    Correct Answer: D

    Solution :

    \[{{[Co{{(en)}_{2}}C{{l}_{2}}]}^{+}}\] shows geometrical as well as optical isomerism.


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