esters

Question 1

what are esters used for

Answer 1

flavourings, perfumes, solvents

Question 2

when do esters form

Answer 2

when a carboxylic acid and alcohol join together

Question 3

functional group of an ester

Answer 3

COO

Question 4

what catalyst is often used to make an ester

Answer 4

concentrated sulphuric acid

Question 5

carboxylic acid + alcohol

Answer 5

—> ester + water

Question 6

what is a carboxylic acid + alcohol reaction called

Answer 6

esterification or condensation reaction due to water vapour being produced

Question 7

ethanoic acid + ethanol ->

Answer 7

ethyl ethanoate + water

Question 8

propanoic acid + methanol ->

Answer 8

methyl propanoate + water

Question 9

CH3COOH + C2H5OH ->

Answer 9

CH3COOC2H5 + H2O

Question 10

formula for sulfuric acid

Answer 10

H2SO4

Question 11

what are esters

Answer 11

volatile compounds with distinctive smells

Question 12

describe the process of making an ester

Answer 12

mix the carboxylic acid and alcohol together, add a few drops of the catalyst concentrated sulfuric acid and warm it, tip mixture into sodium carbonate solution

Question 13

why is the carboxylic acid, alcohol and concentrated sulfuric acid mixture tipped into sodium carbonate solution?

Answer 13

to neutralise the sulfuric acid catalyst which is very corrosive