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JEE Main & Advanced Chemistry Analytical Chemistry Question Bank Volumetric Analysis

  • question_answer
    The equivalent weight of\[Zn{{\left( OH \right)}_{2}}\]in the following reaction is equal to its, \[[Zn{{\left( OH \right)}_{2}}+\text{ }\left( N{{O}_{3}} \right)~Zn\left( OH \right)\left( N{{O}_{3}} \right)\text{ }+{{H}_{2}}O]\] [MH CET 1999]

    A) \[\frac{\text{Formula}\ \text{wt}\text{.}}{2}\]

    B) \[\frac{\text{Formula}\ \text{wt}\text{.}}{1}\]

    C) \[3\times \text{formula}\ \text{wt}\text{.}\]

    D) \[2\times \text{formula}\ \text{wt}\text{.}\]

    Correct Answer: B

    Solution :

    Equivalent weight of \[Zn{{(OH)}_{2}}=\frac{\text{Molecular}\,\,\text{weight}}{\text{acidity}}=\frac{M}{1}\] Acidity of \[Zn{{(OH)}_{2}}=1,\]only one \[OH\]is replaced.


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