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Alkane Nomenclature Worksheet

A Grade 12 Chemistry worksheet covering the IUPAC nomenclature of alkanes, including branched and cyclic structures.

Grade 12 Science ChemistryNomenclature of Alkanes
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Includes

3 Short Answer2 Fill in the BlanksMultiple ChoiceTrue / FalseMatching

Standards

HS-PS1-2HS-PS1-3

Topics

ChemistryAlkanesNomenclatureOrganic ChemistryIUPAC
10 sections · Free to use · Printable
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Alkane Nomenclature Worksheet

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Carefully read each question and follow the instructions. Provide IUPAC names for the given structures and draw structures for the given names. Remember to identify the longest carbon chain, number it correctly, and identify all substituents.

1. Provide the IUPAC name for the following straight-chain alkanes:

a) CH₃CH₂CH₂CH₂CH₃

b) CH₃CH₂CH₂CH₂CH₂CH₂CH₃

2. Draw the condensed structural formula for the following straight-chain alkanes:

a) Octane:  

b) Butane:  

3. What is the longest continuous carbon chain in 2,2,4-trimethylpentane?

a

Pentane

b

Hexane

c

Heptane

d

Butane

4. Give the IUPAC name for the following branched alkanes:

a) CH₃CH(CH₃)CH₂CH₃

b) CH₃CH₂C(CH₃)₂CH₂CH₃

5. Draw the condensed structural formula for the following branched alkanes:

a) 3-ethylhexane:  

b) 2,2-dimethylpropane:  

6. Cycloalkanes are saturated hydrocarbons.

T

True

F

False

7. Provide the IUPAC name for the following cycloalkanes:

a) A six-membered carbon ring with no substituents.

b) A five-membered carbon ring with one methyl group.

8. Match the number of carbon atoms with the correct IUPAC prefix:

1. 1 Carbon

 

a. Prop-

2. 2 Carbons

 

b. Meth-

3. 3 Carbons

 

c. Eth-