The resonance energy of benzene is_____________
36 kcal mole-1
30 kcal mole-1
25 kcal mole-1
20 kcal mole-1
Which is the main source of aromatic hydrocarbon?
Coal
Petroleum
Both a and b
None of these
Benzene easily shows electrophilic substitution reactions due to_______________
stable ring
minimum electron density
high p electron density
both '1' and '3'
Which group will increase the rate of substitution of the substituents compared to benzene?
Meta directing
Deactivating
Ortho Para directing
Activating
According to Huckel's rule, the number of p electrons in benzene is equal to___________
3
4
6
7
The ratio of s and p bonds in the benzene is___________
2
8
How many isomers are possible for the aromatic compound having molecular formula C7H7Cl ?
5
