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Manipal Medical Manipal Medical Solved Paper-2005

  • 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 a-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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