The p K a of acetylsalicylic acid (aspirin) is 3.5. The pH of gastric juice in human…
Chemistry · JEE Advanced · NTA Exams — Equilibrium
The pKa of acetylsalicylic acid (aspirin) is 3.5. The pH of gastric juice in human stomach is about 2-3 and the pH in the small intestine is about 8. Aspirin will be
- unionised in the small intestine and in the stomach
- completely ionised in the small intestine and in the stomach
- ionised in the stomach and almost unionised in the small intestine
- ionised in the small intestine and almost unionised in the stomach.
Answer
(D) ionised in the small intestine and almost unionised in the stomach.
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