Which statement about the members of the alkane homologous series is correct?
Their ease of ignition increases as the molecules get larger
Neighbouring compounds in the series differ in molecular formula by CH2\text{CH}_2CH2
They have completely different chemical reactions from one another
Their volatility increases as the carbon chain length increases
Practise Edexcel GCSE Chemistry Fuels with exam-style questions for Foundation and Higher tier. 105 questions, matched to the Edexcel GCSE Chemistry (1CH0) specification and written in Paper 1 and Paper 2 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.
