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WorksheetsRevision Benzene
Total questions: 14
Worksheet time: 7mins
Name the compound
Methane benzene
Toluene
Benzene methane
methane phenyl
What is the IUPAC name for the following compound?
3-chlorophenol
3-hydroxychlorobenzene
1-chloro-3-hydroxybenzene
3-chloro-1-hydroxybenzene
Which of the following statement is FALSE about the property of benzene molecule?
It is a planar molecule.
It is stabilised by delocalisation of ℼ electrons.
Each carbon atom undergoes sp hybridisation.
Its typical reaction is electrophilic substitution.
Nitronium ion, NO2+, attacks the electrons of the aromatic ring of benzene. Name the type of reaction involved.
Free radical substitution
Electrophilic aromatic substitution
Nucleophilic aromatic substitution
Electrophilic aromatic addition
55 – 60 ℃
50 – 55 ℃
Heated
Cold diluted
What is product G?
What is the product F?
How many electrons are there in the delocalised pi electron system in benzene?
3
6
9
12
The species that attacks the benzene molecule in the nitration of benzene using a mixture of concentrated sulphuric acid and concentrated nitric acid is
⋅NO2
NO2+
HNO3
NO3 -
Choose the method for the preparation of benzoic acid from ethyl benzene.
Heated with concentrated HNO3
Heated with alkaline KMnO4 followed by acidification
Addition of Cl2 in the presence of sunlight followed by the addition of NaOH in CH3CH2OH
Addition of Cl2 in the presence of sunlight followed by boiling with aqueous NaOH
Which compound below is aromatic?
Benzene reacts with chloromethane in AlCl3 to form methylbenzene. The function of AlCl3 is
produce a nucleophile
reduce the activation energy
produce an electrophile
reduce the temperature
Which of the following statements about benzene is true?
All the six hydrogens are on the same plane.
The actual benzene structure is the rapid equilibrium of the two Kekule's structure.
All carbon atoms are sp-hybridised.
Benzene is a gas at room temperature.
