Esters

Question 1

An Ester is made by…

Answer 1

reacting a carboxylic acid and an alcohol in the presence of an acid catalyst e.g sulfuric acid.

REVERSIBLE

Question 2

What are esters used for?

Answer 2

• flavourings and scents in perfumes and foods.

Question 3

ester functional group:

Answer 3

-COO-

also known as ester bond, ester group or ester link

Question 4

esters smell….

Answer 4

sweet and fruity

Question 5

esters are v__________

Answer 5

olatile - they evaporate easily

Question 6

the fact that esters smell nice and are volatile make them great for…

Answer 6

perfumes

Question 7

ethanoic acid + ethanol ->

Answer 7

ethyl ethanoate

Question 8

propanoic acid + propanol

Answer 8

propyl propionate

Question 9

_________ is created as a bi-product of the reaction

Answer 9

waterrr

Question 10

describe the reaction that takes place between the carboxylic acid and the alcohol:

Answer 10

the carboxylic acid loses its OH group and the alcohol loses its H from its OH group and these form water.

the remaining molecules link up at the O.