EAMCET Medical EAMCET Medical Solved Paper-1998

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

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

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

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

    D)  \[[Fe{{({{H}_{2}}O)}_{6}}]C{{l}_{3}}\]

    Correct Answer: C

    Solution :

                     In metal carbonyls oxidation state of metal is always zero e.g.,\[[Ni{{(CO)}_{4}}]\]\[\text{ }\!\!\!\!\text{ Ni }\!\!\!\!\text{ }\]has zero oxidation state.


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