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Haryana PMT Haryana PMT 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 \[[X(S{{O}_{4}}){{(N{{H}_{3}})}_{3}}]\] \[Cl\] 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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