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

  • question_answer
    In acidic medium potassium dichromate acts as an oxidant according to the equation, \[C{{r}_{2}}O_{7}^{2-}+14{{H}^{+}}+6{{e}^{-}}\to 2C{{r}^{3+}}+7{{H}_{2}}O\]. What is the equivalent weight of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]? (mol. Wt. = M) [MP PET/PMT 1998]

    A) \[M\]

    B) \[M/2\]

    C) \[M/3\]

    D) \[M/6\]

    Correct Answer: D

    Solution :

    Since it accept \[6{{e}^{-}}\] its Equivalent weight = \[\frac{M}{6}\].


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