Paper 2 mock correction

Question 1

Dehaydration of alcohols

Answer 1

Alcohols can be dehydrated using concentrated sulfuric acid or by passing their vapours over heated aluminium oxide. An alkene is formed

Question 2

Oxidation of aldehydes

Answer 2

Aldehydes can be oxidised to carboxylic acids using potassium dichromate

Question 3

Oxidation of ketones

Answer 3

Ketones cannot be oxidised as a c-c bond would have to be broken unlike aldehydes

Question 4

Ketone nucleophilic addition

Answer 4

Nucleophile attacks C then arrow from fouble bond attacks O then double bond breaks and nucleophile is added, O then adds H

Question 5

Aldehyde nucleophillic addition