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RAJASTHAN PMT Rajasthan - PMT Solved Paper-2002

  • question_answer
    Oxidation state of \[Fe\] in \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]:

    A)  \[2\]                    

    B)         \[3\]                    

    C)  \[0\]                    

    D)         none of these

    Correct Answer: B

    Solution :

    Let oxidation state of \[Fe\] in\[{{K}_{3}}[Fe{{(CN)}_{6}}]\] is x. \[3(+1)+x+6(-1)=0\]                 \[3+x-6=0\]                 \[x-3=0,\,x=3\]


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