Answer Happy

Hi
could you -please answer Q2 part B
Advantages and challenges of fatty (glyceride up (10 marks) 11) b) (1) Distinguish between the following polymer types - graft polymer, copolymer, block polymer. Illustrate your answer with suitable diagrams. (ii) Draw the repeating unit of polyethylene glycol and outline the mechanism of its synthesis using an anionic polymerisation approach. (10 marks) Question 2 a) Discuss the formulation and properties of lyophilic pharmaceutical gels for drug delivery (15 marks) b) Outlined below is the 2-dimensional structure of a sugar. 0 OH но HS! OH OH (iii) Draw an accurate three-dimensional structure of the sugar in a chair conformation. (iv) Indicate (a) C-2 and (b) the anomeric carbon of the sugar. 3 Is the sugar in the a-or B-configuration? Explain your answer. (vi) Draw a Haworth formula and Fisher projection of the sugar. Is the sugar in the D or L configuration? Explain your answer.