Alkane Nomenclature Worksheet
A Grade 10 Science worksheet focusing on the rules and application of IUPAC nomenclature for alkanes, including identifying parent chains, substituents, and numbering.
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Alkane Nomenclature Worksheet
Name:
Date:
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Read each question carefully and provide the correct IUPAC name for the given alkanes or draw the structure based on the provided name. Remember to follow all rules of nomenclature.
1. The parent chain in an alkane is the continuous chain of carbon atoms.
2. Substituents are named by changing the -ane ending of the corresponding alkane to .
3. The prefix for an alkane with 5 carbon atoms is .
4. What is the correct IUPAC name for a straight-chain alkane with 7 carbon atoms?
Heptane
Hexane
Octane
Pentane
5. Which of the following is an incorrect IUPAC name?
2-methylpropane
3-ethylpentane
2,2-dimethylbutane
1-methylpropane
6. Give the IUPAC name for the following condensed structural formula: CH₃CH(CH₃)CH₂CH₃
7. Provide the IUPAC name for this structure:
8. Draw the condensed structural formula for 2,3-dimethylpentane.
9. Draw the skeletal structure for 3-ethylhexane.
10. When numbering the parent chain, you start from the end that gives the substituents the lowest possible numbers.
True
False
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