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VMMC VMMC Medical Solved Paper-2006

  • question_answer
    The co-ordination number and oxidation number of X in the following compound \[[X(S{{O}_{4}}){{(N{{H}_{3}})}_{5}}]Cl\]will be:

    A)  10 and 3             

    B)         2 and 6                

    C)         6 and 3                                

    D)         6 and 4

    Correct Answer: C

    Solution :

    Co-ordination number is the number of ligands \[\sigma -\]bonded to metal-atom. Hence, co-ordination number of X in \[[X(S{{O}_{4}}){{(N{{H}_{3}})}_{5}}]Cl\] is 6. Let oxidation state of X in the complex be  y, then? \[y+(-2)+5(0)+(-1)=0\] \[y-2-1=0\] \[y=+\,3\]


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