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

  • question_answer
    When \[CuS{{O}_{4}}\] solution is added to\[{{K}_{4}}[Fe{{(CN)}_{6}}]\], the formula of the product formed is [Bihar CEE 1995]

    A) \[C{{u}_{2}}Fe{{(CN)}_{6}}\]

    B) \[KCN\]

    C) \[Cu{{(CN)}_{3}}\]

    D) \[Cu{{(CN)}_{2}}\]

    Correct Answer: A

    Solution :

    \[2CuS{{O}_{4}}+{{K}_{4}}(Fe{{(CN)}_{6}}]\to C{{u}_{2}}[Fe{{(CN)}_{6}}]+2{{K}_{2}}S{{O}_{4}}\]


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