Aromatic Compounds Quiz

Who discovered a new hydrocarbon (benzene) in 1825?

• Dalton

• Michael Faraday

• August Kekulé

• Huckel

What is the bond angle in a benzene ring?

• 180°

• 360°

• 120°

• 90°

Which theory explains the delocalization of π electrons through the ring system in aromatic compounds?

• Hybridization Theory

• VSEPR Theory

• Huckel's Rule

• Resonance Theory

What is the molecular orbital configuration of benzene?

• Planar Hexagon

• Octahedral

• Tetrahedral

• Linear

According to Huckel's rule, what is the condition for a compound to be aromatic?

• (4n + 1) π electrons

• (4n + 2) π electrons

• (4n) π electrons

• (4n - 1) π electrons

What happens if a hydrogen atom is removed from a benzene ring?

• It becomes unstable

• It becomes aromatic

• It becomes non-aromatic

• It becomes anti-aromatic

Which of the following is a requirement for a compound to be considered aromatic?

• The ring is non-planar

• All carbon atoms are sp3 hybridized

• It has a bond angle of 135°

• It obeys Huckel's rule

What is the shape of the most stable conformation of an anti-aromatic compound?

• Tub

• Linear

• Tetrahedral

• Planar

If a compound has higher p-electron energy than the open chain, it is considered:

• Non-aromatic

• Aromatic

• Anti-aromatic

• Stable

What is the hybridization of carbon atoms in a benzene ring?

• sp3d

• sp3

• sp2

• sp