NEET Sample Paper NEET Sample Test Paper-20

  • question_answer
    Which of the following is potassium ferricyanide?

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

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

    C)      \[{{K}_{3}}[Fe{{(CN)}_{4}}]\]      

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

    Correct Answer: B

    Solution :

    \[{{K}_{3}}[Fe{{(C\overset{\text{III}}{\mathop{\text{N}}}\,)}_{6}}]\]is potassium ferricyanide or potassium hexacyano ferrate (III). Hence, the correct option is (b).


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