Chemistry 0620 · IGCSE · Alkenes

Alkenes — practice question

The diagrams of six organic compounds are displayed and labelled A, B, C, D, E and F.
(a)[1]

Give the name for F.

(b)[2]

Identify any two compounds that belong to the same homologous series. Give the general formula of that homologous series.

(c)[3]

Which two compounds are isomers of one another? Explain why they are isomers.

(d)[2]

Explain why B is classified as an unsaturated hydrocarbon.

(e)[3]

Describe how D is made from B. Give a chemical equation for this reaction.

(f)[2]

Compound A forms an addition polymer. Draw two repeat units of the addition polymer made from A.

Worked solution & mark scheme

This 13-mark question has a full step-by-step worked solution and mark scheme. One marking point: butane

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