Which type of compounds is known as aromatic compounds?
Benezoid compounds
Non- benezoid compounds
Aliphatic compounds
Alicyclic compounds
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 carbon atoms in benzene molecule are______________
sp-hybridized
sp2-hybridized
sp3-hybridized
sp3a2-hybridized
An arene with 'a' rings has _______________formula
CnH2n-2a
CnH2n-6n
CnH2n-4a
CnH2n-3n
Carbon - carbon bond length in benzene is__________________
1.20Å
1.34 Å
1.39 Å
1.54 Å
The benzene ring is flat, because the trigonal bond angle is____________
69°
90°
112° 28'
120°