NEET Chemistry Redox Reactions / रेडॉक्स अभिक्रियाएँ Question Bank Self Evaluation Test - Redox Reactions

  • question_answer
    In which of the following transition metal complexes does the metal exhibit zero oxidation state?

    A) \[[Co{{\left( N{{H}_{3}} \right)}_{6}}]C{{l}_{3}}\]   

    B) \[[Fe{{({{H}_{2}}O)}_{6}}]S{{O}_{4}}\]

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

    D) \[\left[ Fe{{\left( {{H}_{2}}O \right)}_{6}} \right]{{X}_{3}}\]

    Correct Answer: C

    Solution :

    [c] In metal carbonyls, metal always has zero O.N.


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