Fragrances + essential oils

Question 1

Describe essential oils?

Answer 1

very volatile liquid- low bp
insoluble in water- oil
extracted from plants
used in perfumes, costemetics, candles, food flavourings

Question 2

what is a key component of essential oils

Answer 2

terpenes

Question 3

what is a terpene?

Answer 3

an unsaturated hydrocarbon formed by joining units of isoprene

Question 4

Name the structure of an isoprene

Answer 4

2 methyl buta-1,3-diene

Question 5

what can terpenes be oxidised into

Answer 5

terpenoids