A Level Chemistry 9701/22/F/M/16 Q4

Question

4 The following compounds were all found to be components of a sample of petrol.
(a) (i) Give the molecular formula of compound G.
(ii) Give the empirical formula of compound H.
(iii) Draw the skeletal formula of compound J.
(b) Write an equation to represent the complete combustion of compound H.
(c) Fossil fuels are often contaminated with sulfur. State and explain why supplies of fossil fuels that contain sulfur pose a problem to the environment.
(d) The boiling points of compounds G, H and J are shown below.
Explain the differences in the boiling points of the three compounds.
(e) Compound J can be produced from 2-chloro-3-methylbutane, C5H11Cl.
Give the reagent(s) and conditions for this reaction.

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    2021-03-27T16:39:44+08:00

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