MCAT Organic Chemistry Review 2018-2019

(A)  Propanamide

(B)  Propanoic  acid

(C)  Equal  concentrations  of  propanamide and propanoic   acid

(D)  Propyl propanoate

9 . β-lactams   are:

I. cyclic forms of the least reactive type of carboxylic acid derivative.
II. more reactive than their straight-chain counterparts.
III. molecules with high levels of ring strain.

(A)  I  only

(B)  II only

(C)  II and III only

(D)  I, II, and III

10 .    The acid-catalyzed  conversion  of  propyl  ethanoate   to  benzyl  ethanoate   is  likely:

(A)  reduction.

(B)  hydrolysis.

(C)  transesterification.

(D)  oxidation.

11 .    The reaction    shown,  which   is  important   for the breakdown   of  polypeptides,   would   be

favored under   what    conditions?