Alcohols

Question 1

Give the conditions required for fermentation

Answer 1

yeast, 40^oC temperature, 3 days

Question 2

What is the formula for propanol

Answer 2

C₃H₇OH

Question 3

What is the formula for ethanol

Answer 3

C₂H₅OH

Question 4

Give the product of the reaction between ethanol and ethanoic acid. Name the type of compound formed

Answer 4

ethyl ethanoate (an ester)

Question 5

What is the functional group for an alcohol

Answer 5

OH

Question 6

Give the products of the complete combustion of an alcohol

Answer 6

carbon dioxide + water vapour

Question 7

Name the compound CH₃CH₂CH₂CH₂OH

Answer 7

butanol

Question 8

Give the formula of the product of the oxidation of CH₃CH₂OH

Answer 8

CH₃COOH (ethanoic acid)

Question 9

The formation of a polyester involves the loss of what small molecule?

Answer 9

water

Question 10

Give the product when an alcohol is oxidised

Answer 10

ethanoic acid

Question 11

Give two uses for alcohols

Answer 11

solvents & in drinks

Question 12

What type of polymer is formed between a di-alcohol and a di-carbolylic acid

Answer 12

polyester

Question 13

Give the product when ethanol reacts with sodium metal

Answer 13

sodium ethoxide + hydrogen gas