Chemistry 5070 · O Level · Alkenes

Alkenes — practice question

Cyclopropane changes into propene when heated.
(a)[1]

Explain why cyclopropane and propene are isomers.

(b)[2]

Describe how the rate of this reaction changes with time. Explain your answer from the graph.

(c)[2]

Describe and explain the effect of increasing the concentration of cyclopropane on the rate of this reaction.

(d)[2]

Describe and explain the effect of decreasing the temperature on the rate of this reaction.

(e)[3]

Complete the diagram to supply the missing name, formula and conditions for the addition reactions of propene.

Worked solution & mark scheme

This 10-mark question has a full step-by-step worked solution and mark scheme. One marking point: Identical molecular formula, different arrangement

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