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JEE Main & Advanced Chemistry Equilibrium / साम्यावस्था Question Bank Self Evaluation Test - Equilibrium

  • question_answer
    If the reaction between \[C{{O}_{2}}\] and \[{{H}_{2}}O\]is  \[C{{O}_{2}}+{{H}_{2}}O\rightleftharpoons {{H}_{2}}C{{O}_{3}}\rightleftharpoons {{H}^{+}}+HCO_{3}^{-}\] If \[C{{O}_{2}}\] escapes from the system

    A) pH will decrease

    B) \[{{H}^{+}}\] concentration will decrease

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

    D) The forward reaction is promoted

    Correct Answer: B

    Solution :

    [b] \[C{{O}_{2}}+{{H}_{2}}O\rightleftharpoons {{H}_{2}}C{{O}_{3}}\rightleftharpoons {{H}^{+}}+HCO_{3}^{-}\] If \[C{{O}_{2}}\] escapes, the equilibrium will shift to LHS and \[\left[ {{H}^{+}} \right]\] concentration will decrease


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