JEE Main & Advanced Chemistry Equilibrium Question Bank Electrical conductors, Arrhenius theory and ostwald's dilution law

  • question_answer For a weak acid \[HA,\] Ostwald's dilution law is represented by the equation

    A)                 \[{{K}_{a}}=\frac{\alpha c}{1-{{\alpha }^{2}}}\]  

    B)                 \[{{K}_{a}}=\frac{{{\alpha }^{2}}c}{1-\alpha }\]

    C)                 \[\alpha =\frac{{{K}_{a}}c}{1-c}\]             

    D)                 \[{{K}_{a}}=\frac{{{\alpha }^{2}}c}{1-{{\alpha }^{2}}}\]

    Correct Answer: B

    Solution :

                    Mathematical form of Ostwald?s dilution law.

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