Chemistry · Oct / Nov 2018 · Paper 12 · Question 34
5070Alkanes
Which statement about the homologous series of alkanes is correct?
- AAlkanes are unsaturated hydrocarbons.
- BAlkanes all have the general formula CnH2n.
- CThe boiling points decrease as the number of carbon atoms per molecule increases.
- DThe liquid alkanes become more viscous as the mass of the molecules increases.
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Correct answer: D. The liquid alkanes become more viscous as the mass of the molecules increases.
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