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VIT Engineering VIT Engineering Solved Paper-2011

  • question_answer
    The effective atomic number of cobalt in the complex \[{{[Co{{(N{{H}_{3}})}_{6}}]}^{3+}}\] is

    A)  36            

    B)  24

    C)  33            

    D)  30

    Correct Answer: A

    Solution :

     EAN = at. no. of central atom - oxidation state \[+2\] (number of ligands) \[=27-3+2(6)\] \[=27-3+12\] \[=36\]


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