AFMC AFMC Solved Paper-2010

  • question_answer
    Chemical formula of Prussian blue is

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

    B)  \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]

    C)  \[F{{e}_{4}}{{[Fe{{(CN)}_{6}}]}_{3}}\]                   

    D)  None of these

    Correct Answer: C

    Solution :

                     The colour of ferric ferric cyanide is Prussian blue so it is generally called Prussian blue. Its chemical formula is \[F{{e}_{4}}{{[Fe{{(CN)}_{6}}]}_{3}}.\]


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