Worksheets3.3.10 Aromatic chemistry (A-level only)
Total questions: 7
Worksheet time: 4mins
Use your understanding of the bonding in benzene to identify the compound that has the most exothermic enthalpy of hydrogenation.
Which one of the following does not contain any delocalised electrons?
poly(propene)
benzene
graphite
sodium
The nitration of benzene uses a nitrating mixture of concentrated nitric acid and concentrated sulfuric acid.
HNO3 + 2H2SO4 → NO2+ + H3O+ + 2HSO4–
Which statement is correct?
HNO3 acts as a base.
HNO3 acts as a catalyst.
HNO3 acts as an electrophile.
HNO3 acts as a reducing agent.
Ethanoyl chloride reacts with methylbenzene forming compound X according to the equation below.
If the experimental yield is 40.0%, the mass in grams of X (Mr = 134.0) formed from 18.4 g of methylbenzene (Mr = 92.0) is
26.8
16.1
10.7
7.4
In a reaction which gave a 27.0% yield, 5.00 g of methylbenzene were converted into the explosive 2,4,6-trinitromethylbenzene (TNT) (Mr = 227.0). The mass of TNT formed was
1.35 g
3.33 g
3.65 g
12.34 g
In which one of the reactions is the role of the reagent stated correctly?
A
B
C
D
Which one of the following can react both by nucleophilic addition and by nucleophilic substitution?
