Haryana PMT Haryana PMT Solved Paper-2003

  • question_answer
    Which of the following ion does not follow EAN rule?

    A)  \[{{[Fe{{(CN)}_{6}}]}^{4-}}\]     

    B)  \[{{[Ag{{(CN)}_{2}}]}^{-}}\]

    C)  \[{{[PtC{{l}_{6}}]}^{2-}}\]

    D)  None of these

    Correct Answer: B

    Solution :

                    EAN for\[{{[Ag{{(CN)}_{2}}]}^{-}}=47-1+2\times 2\]\[=50\] Hence, it does not follow EAN rule.


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