3.3.2 Alkanes PPQ

Question 1

Suggest one important substance manufactured on a large scale from propene.

Answer 1

polypropene / propan(-1 or 2-)ol / propane(-1,2-)diol / isopropanol /
propanone / propanal

Question 2

Give a reagent that could be added separately to each compound in a single reaction to distinguish between them. State what is observed in each case: Cyclohexane and cyclohexene

Answer 2

• bromine water
• cyclohexane: orange -> colourless
• cyclohexene: no visible change