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Punjab Medical Punjab - MET Solved Paper-2001

  • question_answer
    In the reduction of dichromate by \[Fe(II)\] , the number of electrons involved per chromium atom is

    A)  2                                            

    B)  3

    C)  4                                            

    D)  1

    Correct Answer: B

    Solution :

    \[C{{r}_{2}}^{6+}+6e\xrightarrow{{}}2C{{r}^{3+}}\] \[F{{e}^{2+}}\xrightarrow{{}}F{{e}^{3+}}+e\]


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