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

  • question_answer Concentration \[C{{N}^{-}}\] in \[0.1\,M\,HCN\] is  \[[{{K}_{a}}=4\times {{10}^{-10}}]\] [RPET 2000]

    A)                 \[2.5\times {{10}^{-6}}M\]          

    B)                 \[4.5\times {{10}^{-6}}M\]

    C)                 \[6.3\times {{10}^{-6}}M\]          

    D)                 \[9.2\times {{10}^{-6}}M\]

    Correct Answer: C

    Solution :


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