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Organic Chemistry Nomenclature

Total questions: 10

Worksheet time: 9mins

Name
Class
Date
1.

Single bonded carbons are called _________.

a)

Alkanes

b)

Alkynes

c)

Alkenes

d)

Arenes

2.

Triple bonded carbons are called ________.

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Arenes

3.

Which of the following is the most saturated hydrocarbon?

a)

Alkanes

b)

Alkenes

c)

Alkynes

d)

Arenes

4.

Which of the following prefixes represents "7"?

a)

prop-

b)

but-

c)

hept-

d)

pent-

5.

What is the common name given to this alkyl branch?

a)

Propyl

b)

Methyl

c)

Isopropyl

d)

Ethane

6.

What is the common name for alkyl branch A in the image?

a)

sec-butyl

b)

propyl

c)

neopentyl

d)

isopropyl

7.

What is the prefix used when referring to ring structures?

a)

Pyro-

b)

Aro-

c)

Cyclo-

d)

None of the above

8.

What is the parent name of this structure?

a)

nonane

b)

pentane

c)

heptane

d)

cyclohexane

9.

At which end should you begin numbering the carbons?

a)

Left to right

b)

Right to left

c)

Neither

10.

Which of the following is the correct IUPAC name for this structure?

a)

3-methyl-4-isopropyl-5-methyl-6-methylheptane

b)

2,3,5-trimethyl-4-isopropylheptane

c)

4-isopropyl-3,5,6-trimethylheptane

d)

4-isopropyl-2,3,5-trimethylheptane