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

  • question_answer
    The following reaction is known to occur in the body \[C{{O}_{2}}+{{H}_{2}}O\] ⇌ \[{{H}_{2}}C{{O}_{3}}\] ⇌ \[{{H}^{+}}+HCO_{3}^{-}.\] If \[C{{O}_{2}}\]escapes from the system          [NCERT 1973; RPMT 1997]

    A)                 \[pH\] will decrease

    B)                 Hydrogen ion concentration will decrease

    C)                 \[{{H}_{2}}C{{O}_{3}}\] concentration will be unaltered

    D)                 The forward reaction will be promoted

    Correct Answer: B

    Solution :

                    The equilibrium will shift in the backward direction.


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