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

Chlorination of toluene in the presence of sublight produces_________________?

A. Benzyl chloride
B. O – chlorotoluene
C. P – chlorotoluene
D. Benzoic acid

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

Which is fused cyclic aromatic compound _____________________?

A. Diphenyl amine
B. Diphenyl methane
C. Naphthalene
D. Biphenyl

Acetophenone is a_____________________?

A. Ether
B. Ketone
C. Aldehyde
D. Ester

Benzene does not undergo___________________?

A. Substitution reaction
B. Addition reaction
C. Polymerization reactions
D. Oxidation reactions

Nitronium ion is___________________?

A. No3
B. No
C. No2-
D. No2+

The hydrolysis of Benzenetrizonide will yield three moles of____________________?

A. Glyoxime
B. Benzaldehyde
C. Glycol
D. Glyoxal

In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?

A. Hydrogen
B. Oxygen
C. Sulphur
D. Oh

Aniline is a derivative of benzene which contains__________________?

A. Imino group
B. Amino group
C. Amide group
D. Nitro group