Edexcel IGCSE Chemistry 4.12 Alkane structures

Practise writing combustion equations and distinguishing complete from incomplete combustion products of hydrocarbons.

Exam points

complete and balance hydrocarbon combustion equations with CO2, H2O, CO or C as products
identify carbon monoxide, carbon or soot as products when oxygen supply is limited
add correct state symbols to combustion equations when the formulae and products are given

[Maximum number: 2]

This question is about hydrocarbons.

One homologous series of hydrocarbons is the alkanes.

Pentane $\left(\mathrm{C}_{5} \mathrm{H}_{12}\right)$ is an alkane.

Incomplete combustion can occur when the oxygen supply is limited.

Give the names of two products of the incomplete combustion of pentane.

1 ................................
2 ................................

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4.12 Hydrocarbon combustion products question 1