CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2004

  • question_answer
    Which of the following statements is incorrect?

    A)  In \[{{K}_{3}}\,[Fe{{(CN)}_{6}}]\], the ligand has satisfied only the secondary valency of ferric ion

    B)  In \[{{K}_{3}}\,[Fe{{(CN)}_{6}}]\], the ligand has satisfied both primary and secondary valancies of ferric ion

    C)  In \[{{K}_{4}}\,[Fe{{(CN)}_{6}}]\] the ligand has satisfied both primary and secondary valancies of ferrous ion

    D)  In \[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\] the ligand has satisfied only the secondary valency of copper

    Correct Answer: A

    Solution :

    In \[{{K}_{3}}[Fe{{(CN)}_{6}}]\], the \[C{{N}^{-}}\] ions satisfy both the primary as well as secondary valency of Fe + ion.


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