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NEET Chemistry Coordination Chemistry Question Bank Self Evaluation Test - Co-ordination Compounds

  • question_answer
    Select the complex in which secondary valency is satisfied before the primary valency.

    A) RMgX                           

    B) \[[Cr{{\left( N{{H}_{3}} \right)}_{6}}]C{{l}_{2}}\]

    C) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]             

    D) \[[Ni{{\left( CO \right)}_{4}}]\]

    Correct Answer: D

    Solution :

    [d] In metal carbonyls the oxidation state of metal is zero. In this case oxidation state of Ni is zero.


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