2. Solved Papers
  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2005

  • question_answer
    (A) \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]               (B) \[{{K}_{3}}[Cr{{(CN)}_{6}}]\] (C) \[{{K}_{3}}[Co{{(CN)}_{6}}]\]               (D) \[{{K}_{2}}[Ni{{(CN)}_{4}}]\] Select the complexes which are diamagnetic:

    A) (A), (B) and (C)

    B) (B), (C) and (D)

    C) (A), (C) and (D)

    D) (A), (B) and (D)

    E) (B) and (D)

    Correct Answer: C

    Solution :

    Structure\[{{K}_{4}}[Fe{{(CN)}_{6}}],{{K}_{3}}[Co{{(CN)}_{6}}],\]\[{{K}_{2}}[Ni{{(CN)}_{4}}]\]are diamagnetic.


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