Choose from the following compounds to answer the questions. H | H3C-C-C—O-H | H A H | H3C-C-CH3 | H B H | H3C-C-C-O—H | H C H3C | C=CH2 | H3C D H | H3C-C-CH3 | CH3 E H | H—O—C—C—O—H | CH3 F H | H3C-C-C-O-CH-CH3 | H CH3 G Each compound may be used once, more than once or not at all.
- (a)(i)has a molecule with only 14 atoms[1]
- (a)(ii)can be oxidised to form propanoic acid[1]
- (a)(iii)is an isomer of butane[1]
- (a)(iv)reacts with steam to make an alcohol[1]
- (a)(v)can be polymerised to make a polyester.[1]
- (b)State which two compounds in aqueous solution turn blue litmus red.[1]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (May/June 2021). The mark or mark type is shown in brackets.
- 1(a)(i) E
- 1(a)(ii) A
- 1(a)(iii) E
- 1(a)(iv) D
- 1(a)(v) F
- 1(b) C and F
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