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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Critical Thinking

  • question_answer
    A weak acid is 0.1% ionised in 0.1 M solution. Its pH is                 [BVP 2004]

    A)                 2             

    B)                 3

    C)                 4             

    D)                 1

    Correct Answer: C

    Solution :

               For a monobasic acid                    \[[{{H}^{+}}]=C\alpha \]                                 \[=\frac{1}{10}\times 0.001={{10}^{-4}}\] Þ  pH = 4


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