[MT-MLS 104] Chapter 4

Aromatic hydrocarbons undergo the same kind of addition reactions that characterize alkenes.

• True

• False

Benzene is planar and each carbon is at a corner of regular hexagon

• True

• False

It is a measure of the extra stability of the cyclic conjugated system compared to the corresponding number of isolated double bonds.

The bond angles of benzene are all 120º and the bond lengths are all 1.39Å

• True

• False

Which of the following is NOT a criteria for an aromatic compound?

• It must be cyclic

• It must be planar

• It must contain 2n + 4 π electrons

• It must be fully conjugated

What is the structure for ortho-dichlorobenzene?

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The compounds o-chlorophenol and m-chlorophenol are examples of

• molecules that are identical

• molecules that are constitutional isomers

• molecules that are stereoisomers

• molecules that are isotopes

Methylbenzene is also called aniline.

• True

• False

What is the IUPAC name of p-diflourobenzene?

• 1,2-Difluorobenzene

• 1,3-Difluorobenzene

• 1,4-Difluorobenzene

• 2,6-Difluorobenzene

Which of the following is phenol?

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