Acids in the pKa range 2.5-7.5 are greatly affected by changes in pH making their absorption pH dependent.

Related MCQs

• Which one of these is not an example of a basic drug with pKa range 5-11?
• If drug has pKa value of 3 then at pH value of 7 what would be the degree of ionisation of the drug?
• Very weak bases having pKa < 5
• Example of a drug which has PKa > 11 is ________
• Heroin with pKa 7.8 will be in which form in intestinal pH?
• Which of the following equations correct for Henderson-Hasselbach equation for weak acids?
• All drugs which are weak acids or acidic in nature will be in a unionized form in the plasma.
• Which of the following is a not mechanism of drug absorption through GIT
• The absorption of drugs like (quaternary ammonium compounds, sulphonic acid) are explained by
• Rate of absorption of drug by passive diffusion is maximum in