During sulphonation of benzene H2SO4 generates the electrophile _________________?
(A) HSO4-
(B) SO2
(C) SO3
(D) H+
Reacting bromine with benzene in the presence of sunlight will result in_______________?
(A) The rupturing of benzene ring
(B) Substitution reaction
(C) Addition reaction
(D) No-reaction
The preparation of benzene from acetylene can also be said as_________________?
(A) Oxidation
(B) Polymerization
(C) Dehydration
(D) Condensation
Benzene is heated in air with V2O5 at 450°C it undergoes________________?
(A) Substitution reaction
(B) Addition reaction
(C) Elimination reaction
(D) Oxidation reaction
Benzene does not undergo___________________?
(A) Substitution reaction
(B) Addition reaction
(C) Polymerization reactions
(D) Oxidation reactions
Which is fused cyclic aromatic compound _____________________?
(A) diphenyl amine
(B) diphenyl methane
(C) naphthalene
(D) biphenyl
Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?
(A) acetylene
(B) N-hexane
(C) Benzene sulphonic acid
(D) Sodium benzoate
Chlorination of toluene in the presence of sublight produces_________________?
(A) Benzyl chloride
(B) o – chlorotoluene
(C) p – chlorotoluene
(D) benzoic acid