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JEE Main & Advanced Chemistry Coordination Chemistry Question Bank Basic Terms

  • question_answer
    Number of ions present in \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] [Pb. CET 2000]

    A) 2

    B) 10

    C) 3

    D) 5

    Correct Answer: D

    Solution :

    \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] is a complex salt. On ionisation it will dissociate in \[4{{K}^{+}}\] and \[{{[Fe{{(CN)}_{6}}]}^{4-}}\] ion. Hence, in \[{{K}_{4}}[Fe{{(CN)}_{6}}]\] five ions are present.


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