JEE Main & Advanced Chemistry The d-and f-Block Elements / d तथा f ब्लॉक के तत्व Question Bank Compounds of Transitional Elements

  • question_answer
    Which one of the following compounds is not coloured [AIIMS 1997]

    A) \[N{{a}_{2}}CuC{{l}_{4}}\]

    B) \[N{{a}_{2}}CdC{{l}_{4}}\]

    C) \[{{K}_{4}}Fe{{(CN)}_{6}}\]

    D) \[{{K}_{3}}Fe{{(CN)}_{6}}\]

    Correct Answer: B

    Solution :

    \[N{{a}_{2}}CdC{{l}_{4}}\]- no unpaired electrons.


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