Aspirin has pka of 3.5, that means 

A. It is ionised at gastric pH 

B. It is unionised at intestinal basic pH 

C. It is ionised inside the cell

D. It is expelled out in acidic urine 

answer is C

I am very happy  with the explanation given by the student Dibyajit Chakravarty. so i am posting that explanation and encourage to answer the MCQ more logically

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