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Section B - 30 Marks answer ONLY FOUR out of the five questions. Where more than four questions are Five questions are g
Posted: Fri Mar 04, 2022 10:30 am
by answerhappygod
- Section B 30 Marks Answer Only Four Out Of The Five Questions Where More Than Four Questions Are Five Questions Are G 1 (113.05 KiB) Viewed 34 times
Section B - 30 Marks answer ONLY FOUR out of the five
questions. Where more than four
questions are Five
questions are given. All
questions carry equal marks. Students are required to answered in Section A only the first FOUR will receive credit where earned and subsequent
questions will be marked 0 marks. (i) Shown below is the chemical structure of the clinically used drug A. The drug can potentially form several hydrogen bonds to water molecules. HO A O Clearly illustrate these hydrogen bonds to water using the structure of drug A below, showing the drug and water valence electron lonę pairs involved in the H-bonding process. Drug A has poor aqueous solubility. Suggest one way to increase the water solubility of the drug. Illustrate your answer with suitable chemical structure(s). [7.5 marks]