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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
    If M is the molecular weight of \[KMn{{O}_{4}}\], its equivalent weight will be when it is converted into \[{{K}_{2}}Mn{{O}_{4}}\] [MP PET 1993]

    A) M

    B) M/3

    C) M/5

    D) M/7

    Correct Answer: A

    Solution :

    \[\text{Equivalent }\,\text{wt}\text{. }=\text{ }\frac{\text{molecular}\,\,\text{wt}\text{.}}{\text{total no}\text{. of }{{e}^{}}\,\text{gained or lost}}\]\[=\frac{M}{1}=M\]


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