CIE Jun 2016 v1 Paper 2 Q4

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This question is about molecules with molecular formula C4H8. (a) Give the structures of a pair of positional isomers with the formula C4H8. PMT (b) Give the structures of a pair of chain isomers with the formula C4H8, that do not exhibit stereoisomerism. [1] (c) Give the structures and full names of a pair of stereoisomers with the formula C4H8.[1] [2] (d) The structure of a molecule, A, of formula C4H8 is shown. Draw a functional group isomer of molecule A in box B. Explain how molecules A and B could be distinguished by a chemical test. H2C H2C CH2 CH2[3] [Total: 7]UCLES 2016 9701/21/M/J/16<br /> PMT Question 5 starts on the next page.UCLES 2016 9701/21/M/J/16 [Turn over<br />

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