From Mock A · Paper 2: Organic and Physical Chemistry
6.12 marks
Write an equation for the formation of methyl propanoate and name the catalyst.
From Mock A · Paper 2: Organic and Physical Chemistry
6.23 marks
Explain how vegetable oils are converted to biodiesel and why biodiesel is described as carbon neutral, with one reason why this is not completely true.
From Mock A · Paper 2: Organic and Physical Chemistry
6.34 marks
Outline the mechanism for the reaction of ethanoyl chloride with methylamine.
From Mock A · Paper 2: Organic and Physical Chemistry
6.43 marks
Give three reasons why ethanoic anhydride is used rather than ethanoyl chloride to make aspirin industrially.
From Mock B · Paper 2: Organic and Physical Chemistry
7.13 marks
Write an equation for the formation of methyl ethanoate from ethanoic acid and methanol, and give the conditions.
From Mock B · Paper 2: Organic and Physical Chemistry
7.24 marks
Describe the mechanism for the reaction of ethanoyl chloride with ammonia.
From Mock B · Paper 2: Organic and Physical Chemistry
7.32 marks
Explain why ethanoic anhydride rather than ethanoyl chloride is used to make aspirin industrially.
From Mock B · Paper 2: Organic and Physical Chemistry
166 marks
Describe chemical tests that would allow you to distinguish between propanal, propanone, propan-1-ol and propanoic acid. Give reagents and observations.
From Mock C · Paper 2: Organic and Physical Chemistry
7.13 marks
Describe the hydrolysis of an ester in acidic and in alkaline conditions and explain why alkaline hydrolysis goes to completion.
From Mock C · Paper 2: Organic and Physical Chemistry
7.23 marks
Explain how biodiesel is made from vegetable oils.
From Mock C · Paper 3: Practical skills, all content and multiple choice
4.13 marks
Describe how to prepare a sample of an ester by heating an alcohol and a carboxylic acid, and why heating under reflux is used.
From Mock C · Paper 3: Practical skills, all content and multiple choice
4.33 marks
Explain how the ester can be separated and how the presence of unreacted acid can be removed.
From Mock C · Paper 3: Practical skills, all content and multiple choice
331 mark
The product of reacting propanoic acid with ammonia is
Score 0 / 40 · 0 of 13 marked
This paper is written by Plasmo in the style of the AQA A-Level Chemistry exam. It is not a past paper and is not produced or endorsed by the exam board.