JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Hydrogenion concentration pH scale and buffer solution

  • question_answer
    In a solution of acid \[{{H}^{+}}\]concentration is \[{{10}^{-10}}M.\] The pH of this solution will be

    A)                 8             

    B)                 6

    C)                 Between 6 and 7             

    D)                 Between 3 and 6

    Correct Answer: C

    Solution :

                    As the solution is acidic, pH < 7. This is because \[[{{H}^{+}}]\]from \[{{H}_{2}}O\]\[({{10}^{-7}}M)\]cannot be neglected in comparison to \[{{10}^{-10}}\]M HCl.


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