The carbon atoms in benzene molecule are______________
sp-hybridized
sp2-hybridized
sp3-hybridized
sp3a2-hybridized
Which is the main source of aromatic hydrocarbon?
Coal
Petroleum
Both a and b
Diesel
An arene with 'a' rings has _______________formula
CnH2n-2a
CnH2n-6n
CnH2n-4a
CnH2n-3n
The resonance energy of benzene is______________
36 kcal mole-1
30kcal mole-1
25 kcal mole-1
20 kcal mole-1
How many isomeric compounds will be obtained when a disubstituted derivative of benzene is prepared from its monosubstituted derivative ?
3
4
5
6
The benzene ring is flat, because the trigonal bond angle is____________
69°
90°
112° 28'
120°
