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NEET UG CHEMISTRY MCQ: CHEMISTRY IN EVERYDAY LIFE
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The pH value of gastric juice in human stomach is about 1.8 and in the small intestine it is about 7.8. The value of aspirin is 3.5. Aspirin will be
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Correct option: C
Ionized in the small intestine and almost unionized in the stomach.
Option C is correct because aspirin, being an acid, will be ionized in the small intestine (pH > pKa) and almost unionized in the stomach (pH < pKa).