A student compares the complete combustion of butane, C4H10\mathrm{C_{4}H_{10}}C4H10, and but-1-ene, C4H8\mathrm{C_{4}H_{8}}C4H8.
Statement 1: 1 mol of each produces the same amount, in moles, of carbon dioxide
Statement 2: 1 mol of butane produces more water than 1 mol of but-1-ene
Statement 3: 1 mol of but-1-ene needs more oxygen than 1 mol of butane
Which statements are correct?
1 only
2 and 3 only
1 and 2 only
1, 2 and 3
36 exam-style questions on Edexcel GCSE Chemistry 10.2 Hydrocarbons, covering 10.2.1 Formulae and structures of the alkanes, 10.2.2 Alkenes and the C=C functional group, 10.2.3 Addition reactions of alkenes and testing for unsaturation, and 10.2.4 Combustion of alkanes and alkenes. Each one has a worked solution and a mark scheme showing where the marks go.