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CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2001

  • question_answer
    The solubility product of a binary weak electrolyte is \[4\times {{10}^{-10}}\,\]at 298 K. Its solubility in \[\text{mol}\,\text{d}{{\text{m}}^{-3}}\]at the same temperature is:

    A)  \[4\times {{10}^{-5}}\]                 

    B) \[2\times {{10}^{-5}}\]

    C)  \[8\times {{10}^{-10}}\]                              

    D) \[16\times {{10}^{-20}}\]

    Correct Answer: B

    Solution :

    The solubility product of a binary weak electrolyte \[=4\times {{10}^{-10}}\] \[\therefore \]    Solubility \[=\sqrt{4\times {{10}^{-10}}}\]                 \[=2\times {{10}^{-5}}\]


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