From Mock A · Paper 2: Organic and Physical Chemistry
7.13 marks
The enthalpy of hydrogenation of cyclohexene is −120 kJ mol⁻¹. Benzene's is −208 kJ mol⁻¹. Explain what this shows about the bonding in benzene.
From Mock A · Paper 2: Organic and Physical Chemistry
7.24 marks
Outline the mechanism for the nitration of benzene, including the formation of the electrophile.
From Mock A · Paper 3: Practical skills, all content and multiple choice
291 mark
What type of reaction is the acylation of benzene?
From Mock B · Paper 2: Organic and Physical Chemistry
8.13 marks
The enthalpy of hydrogenation of cyclohexene is −120 kJ mol⁻¹. Benzene's is −208 kJ mol⁻¹. Explain what this shows about benzene's structure.
From Mock B · Paper 2: Organic and Physical Chemistry
8.24 marks
Describe how the nitronium ion is formed and outline the mechanism for the nitration of benzene.
From Mock B · Paper 3: Practical skills, all content and multiple choice
341 mark
Benzene undergoes substitution rather than addition because
From Mock C · Paper 2: Organic and Physical Chemistry
8.13 marks
Describe Friedel–Crafts acylation of benzene with ethanoyl chloride, including the role of the catalyst.
From Mock C · Paper 2: Organic and Physical Chemistry
8.22 marks
Explain why phenylethanone is useful in synthesis.
From Mock C · Paper 3: Practical skills, all content and multiple choice
75 marks
Benzene can be converted into phenylamine in two steps. Give reagents and conditions for each step, name the intermediate and describe a test for phenylamine.
From Mock C · Paper 3: Practical skills, all content and multiple choice
341 mark
Benzene's carbon–carbon bond lengths are
Score 0 / 27 · 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.