Consider a Certain Carboxylic Acid at Physiological PH of About

question 51

Multiple Choice

Consider a certain carboxylic acid at physiological pH of about 7.4. Assume the following general reaction. HA(aq) + H₂O(l) → H₃O⁺(aq) + A^-(aq)
What will happen to the ratio of the deprotonated to protonated form, respectively, if the pH of the solution drops to 6.2?

• A) It will decrease.
• B) It will increase.
• C) It will remain constant.
• D) It will decrease then increase since it is a buffer.

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