2. Molecular Representations

PRACTICE:The following molecule contains several functional groups. Of the choices given, select the most appropriate answer (not all functional groups may be listed).

PRACTICE:Identifying functional groups. Select themost appropriateanswer.

PRACTICE: Identifying functional groups. Select the most appropriate answer.

Draw a Lewis structure, and classify each of the following compounds. The possible classifications are as follows:

alcohol

ether

ketone

aldehyde

carboxylic acid

alkene

(a) CH₂CHCHO

(b) CH₃CH₂CH(OH)CH₃

(c) CH₃COCH₂CH₃

Circle the functional groups in the following structures. State to which class (or classes) of compounds the structure belongs.

a. CH₂=CHCH₂COOCH₃

b. CH₃OCH₃

c. CH₃CHO

Circle the functional groups in the following structures. State to which class (or classes) of compounds the structure belongs.

d. CH₃CONH₂

e. CH₃NHCH₃

f. RCOOH

Draw a Lewis structure, and classify each of the following compounds:

(m)

(n)

(o)