This question is about alcohols and polymers.

1. (a)The structure of an organic compound is shown. H-O ΗΗΗ C-C-C-C-O-H O ΗΗΗ Deduce the molecular formula of this compound.[1]
2. (b)(i)An isomer of butanol has the structure shown. ΗΗΗΗ H-C-C-C-C-O-H ΗΗΗΗ State the meaning of the term isomerism.[1]
3. (b)(ii)Draw the structure of a different isomer of butanol.[1]
4. (b)(iii)Butanol reacts with ethanoic acid, CH3COOH, to form an ester. Name this ester. Draw the structure of this ester. Show all of the atoms and all of the bonds. name of ester structure of ester[2]
5. (c)The partial structure of a polyester is shown. --O-C(=O)-(CH2)6-C(=O)-O-(CH2)6-O-- Draw the structures of the two monomers used to make this polyester.[2]
6. (d)(i)Terylene is a polyester. State one use of Terylene.[1]
7. (d)(ii)Name a naturally occurring molecule which has the same ester linkage as Terylene.[1]
8. (e)Starch is a polymer which can be hydrolysed. State the meaning of the term hydrolysis.[1]

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