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NEET Sample Paper NEET Sample Test Paper-49

  • question_answer
    \[F{{e}_{2}}{{\left( CO \right)}_{9}}\] is diamagnetic. Which of the following reasons is correct?

    A) Presence of one CO as bridge group

    B) Presence of monodentate ligand

    C) Metal-metal \[\left( Fe-Fe \right)\] bond in molecule

    D) Resonance hybridization of CO

    Correct Answer: C

    Solution :

    Metal-Metal (Fe-Fe) bond pair up the unpaired electron


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