The ratio of s and p bonds in the benzene is___________
2
4
6
8
Monosubstituted benzene do not show _____________
position isomerism
chain isomerism
geometrical isomerism
all the above
The disubstitution products of benzene show
Chain isomerism
Optical isomerism
Position isomerism
none of these
Benzene easily shows electrophilic substitution reactions due to_______________
stable ring
minimum electron density
high p electron density
both '1' and '3'
The resonance energy of benzene is_____________
36 kcal mole-1
30 kcal mole-1
25 kcal mole-1
20 kcal mole-1
