In the proton NMR, in what region of the spectrum does one typically observe hydrogens bound to the aromatic ring?

A) 1.0-1.5 ppm
B) 2.0-3.0 ppm
C) 4.5-5.5 ppm
D) 7.0-8.0 ppm
E) 9.0-10.0 ppm

The Hell-Volhard-Zelinsky reaction involves ________.

A) the α-bromination of carboxylic acids
B) the α-bromination of ketones
C) the bromination of alcohols
D) the oxidation of aldehydes to acids
E) none of the above