CET Karnataka Medical CET - Karnataka Medical Solved Paper-2012

  • question_answer
    The atomic number of cobalt is 27. The EAN of cobalt in \[N{{a}_{3}}[Co{{(N{{O}_{2}})}_{4}}C{{l}_{2}}]\] is

    A) \[35\]    

    B) \[24\]   

    C) \[36\]   

    D) \[34\]

    Correct Answer: C

    Solution :

    : EAN of \[Co\] in \[{{[Co{{(N{{O}_{2}})}_{4}}C{{l}_{2}}]}^{3-}}\]is EAN \[=(27+4\times 1+2\times 1)+3=36\]


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