Organic Chemistry Quiz 3- Aromatic Nomenclature

What makes a ring aromatic?

A ring is aromatic if it is cyclic, planar, every atom is conjugated (a continuous system of overlapping p orbitals)

What is this molecule called, and what functional group does it contain?

Benzoic Acid, contains carboxylic acid (-COOH)

What is this molecule called, and what functional group does it contain?

Benzaldehyde, contains an aldehyde (a carbonyl group (C=O) bonded to at least one hydrogen atom at the end of a carbon chain (-CHO)

What is this molecule called, and what functional group does it contain?

Phenol, an alcohol (-OH) group

What is this molecule called, what does it consist of?

Anisole, consists of a methoxy group (-OCH₃) attached to a benzene ring.

What is this molecule called, what functional group does it contain?

Aniline, contains an amino (-NH₂) group.

What is this molecule called?

Toluene, contains a methyl group attached to a benzene

What is this molecule called?

Styrene, contains a vinyl group (CH=CH₂) attached to a benzene.

What molecule is this, what does it contain?

O-xylene, contains two methyl (CH₃) groups.

Ortho

Substituents located on carbon 1,2

Meta

Substituents located on carbon 1,3

Para

Substituents located on carbon 1,4

What is the difference between a phenyl group and a benzene group?

A phenyl group is a benzene ring minus one hydrogen atom, allowing it to act as a substituent. (C₆H₅) A benzene group, on the other hand, refers to the complete aromatic ring structure. (CH₂Ph)

What molecule is this, what functional group does it contain?

Acetophenone, a ketone (C(O)CH₃)attached to benzene ring