2. Molecular Representations

Identify the substitution of carbons (a)–(d) comprising the ether functional group in the following molecules.

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)

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

(k)

(l)

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

(i)

(j)

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

alcohol

ether

ketone

aldehyde

carboxylic acid

alkene

(h)

(i)

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

(g)

(h)

(i)