Chapter 13, Problem 13.13P

13-13 Answer true or false.

1. A phenyl group has the molecular formula C₆H₅ — and is represented by the symbol Ph —.

Para substituents occupy adjacent carbons on a benzene ring.

4-Bromobenzoic acid can be separated into cis and trans isomers.

(d, Naphthalene is a planar molecule.

(e) Benzene, naphthalene, and anthracene are

polynuclear aromatic hydrocarbons (PAHs).

Benzo[a] pyrene causes cancer by binding to DNA

and producing a cancer-causing mutation.