From Mock A · Paper 2: Organic and Physical Chemistry
5.15 marks
Ethanal reacts with HCN (from KCN and acid) to form 2-hydroxypropanenitrile. Outline the mechanism and explain why the product is a racemic mixture.
From Mock A · Paper 2: Organic and Physical Chemistry
5.22 marks
Describe a test to distinguish propanal from propanone.
From Mock A · Paper 2: Organic and Physical Chemistry
5.33 marks
Name the product when butanone is reduced by NaBH₄, name the mechanism, and state whether the product is optically active.
From Mock A · Paper 3: Practical skills, all content and multiple choice
5.25 marks
Devise a three-step synthesis of propanone from propene. Give reagents, conditions and the type of reaction for each step.
From Mock B · Paper 2: Organic and Physical Chemistry
6.24 marks
Ethanal reacts with KCN followed by dilute acid. Explain why the product is a racemic mixture.
From Mock B · Paper 2: Organic and Physical Chemistry
6.32 marks
Describe a test to distinguish an aldehyde from a ketone.
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
6.23 marks
Describe the reduction of propanone with NaBH₄ and name the product.
From Mock C · Paper 2: Organic and Physical Chemistry
176 marks
Compare the mechanisms of the reaction of propene with hydrogen bromide and of propanal with hydrogen cyanide. Explain why the attacking species differs.
From Mock C · Paper 3: Practical skills, all content and multiple choice
321 mark
Fehling's solution gives a brick-red precipitate with
Score 0 / 37 · 0 of 10 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.
Aldehydes and ketones Exam Questions: AQA A-Level Chemistry | Plasmo