Ozonolysis of benzene produces___________________?
A. Glycol
B. Glyoxal
C. Vicinal diol
D. Both B & C
Aromatic Hydrocarbons
The preparation of benzene from acetylene can also be said as_________________?
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________________?
Benzene is heated in air with V2O5 at 450°C it undergoes________________?
A. Substitution reaction
B. Addition reaction
C. Elimination reaction
D. Oxidation reaction
Nitronium ion is___________________?
Nitronium ion is___________________?
A. NO3
B. NO
C. NO2-
D. NO2+
Benzene does not undergo___________________?
Benzene does not undergo___________________?
A. Substitution reaction
B. Addition reaction
C. Polymerization reactions
D. Oxidation reactions
Acetophenone is a_____________________?
Acetophenone is a_____________________?
A. Ether
B. Ketone
C. Aldehyde
D. Ester
Which is fused cyclic aromatic compound _____________________?
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_______________?
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_________________?
Chlorination of toluene in the presence of sublight produces_________________?
A. Benzyl chloride
B. o – chlorotoluene
C. p – chlorotoluene
D. benzoic acid
By which method the molecular mass of benzene was determined as 78.108 ?
By which method the molecular mass of benzene was determined as 78.108 ?
A. Specific gravity method
B. Vapour density method
C. X-ray diffraction method
D. Distillation methos