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WorksheetsChapter-I 2nd Quiz
Total questions: 10
Worksheet time: 8mins
The carbon atom in benzene ring is
sp hybridised
sp3 hybridised
sp2 hybridised
None of these
What is the electrophile in the electrophilic substitution reaction of benzene using HNO3 and H2SO4
SO3
NO3
NO2+
NO+
Benzene undergo substitution reaction more easily than addition reaction because
It has a cyclic structure
It has three double bond
It has 6 H atom
There is delocalization of π electrons
In chlorination of benzene, FeCl3 is used to generate
Cl-
Cl+
Cl2
HCl
In sulphonation of benzene, the attacking species is-
H+
SO2
SO3
HSO4-
Resonance energy of benzene is-
28.6 Kcal
49.8 Kcal
36.0 Kcal
55.4 Kcal
To follow the Huckel's rule, molecule must contain-
4n+2 electrons
(4n+2)π electrons
4nπ electrons
4n electrons
Fuming sulphuric acid is-
sulphuric acid
sulphuric acid + SO3
SO3
None of the above
What are electrophile
Electron rich species
Neutral species
Electron deficient species
None of the above
Benzene reacts with chlorine in the presence of FeCl3 catalyst to form-
Hexachlorobenzene
Chlorobenzene
Benzyl chloride
Hexachlorocycloexane
