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Naming Alkanes Worksheet

A Grade 11 Chemistry worksheet covering the IUPAC nomenclature of alkanes, including branched and unbranched structures.

Grade 11 Science ChemistryNaming Alkanes
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Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / FalseWord Bank

Standards

HS-PS1-1HS-PS1-2

Topics

ChemistryAlkanesNomenclatureOrganic ChemistryIUPAC
7 sections · Free to use · Printable
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Naming Alkanes Worksheet

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Read each question carefully and provide the best answer based on the IUPAC rules for naming alkanes.

1. Which of the following is the correct IUPAC name for the alkane with the molecular formula C5H12?

a

Butane

b

Pentane

c

Hexane

d

Propane

2. What is the parent chain in 2,2,4-trimethylpentane?

a

Butane

b

Pentane

c

Hexane

d

Heptane

3. The suffix used for naming alkanes is  .

4. When naming branched alkanes, the longest continuous chain of carbon atoms is called the   chain.

5. Alkyl groups are named by replacing the -ane ending of the corresponding alkane with  .

6. Explain the steps involved in identifying the parent chain in a branched alkane.

7. Describe how to number the carbon atoms in the parent chain of a branched alkane.

8. All alkanes are saturated hydrocarbons.

T

True

F

False

9. The IUPAC name for CH3CH2CH(CH3)CH3 is 2-methylbutane.

T

True

F

False

Use the words below to complete the sentences.

methyl
ethyl
propyl
butane
pentane
hexane

10. A one-carbon alkyl group is called a   group.

11. The parent chain of 3-ethylhexane is  .