Which type of compounds is known as aromatic compounds?
Benezoid compounds
Non- benezoid compounds
Aliphatic compounds
Alicyclic compounds
The resonance energy of benzene is______________
36 kcal mole-1
30kcal mole-1
25 kcal mole-1
20 kcal mole-1
The structure of benzene is______________
planar
linear
tetrahedral
trigonal bipyramidal
Which of the following is an example of polycyclic aromatic compounds?
Pyridine
Naphthalene
Pyrole
Cyclohexane
The diagonal structure of benzene was proposed by________________
Kekule
Claus
Armstrong
Ladenburg
How many isomeric compounds will be obtained when a disubstituted derivative of benzene is prepared from its monosubstituted derivative ?
3
4
5
6
Resonance structure of a molecule do not have identical_____________
atoms
bonding
energy content
electrons