Alkane Nomenclature Worksheet
A Grade 11 Chemistry worksheet focusing on the IUPAC nomenclature of alkanes, including identifying parent chains, numbering carbons, and naming branched alkanes.
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Alkane Nomenclature Practice
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Read each question carefully and provide the best answer. Remember the IUPAC rules for naming alkanes.
1. The general formula for an alkane is .
2. Alkanes contain only bonds between carbon atoms.
3. The suffix used for naming alkanes is .
4. A group is an alkyl group attached to the main chain.
1. Which of the following is the correct IUPAC name for CH₃CH(CH₃)CH₂CH₃?
2-methylbutane
isopentane
2-ethylpropane
3-methylbutane
2. What is the parent chain in 2,2,4-trimethylpentane?
butane
pentane
hexane
heptane
1. Draw the condensed structural formula for 3-ethyl-2,4-dimethylhexane.
2. Name the following alkane according to IUPAC rules:
CH₃-CH₂-CH(CH₃)-CH₂-CH(CH₃)-CH₃
1. When numbering the carbon chain, you should start from the end that gives the substituents the lowest possible numbers.
True
False
2. The prefixes 'di-', 'tri-', 'tetra-' are used to indicate the number of different types of alkyl groups.
True
False
Match the alkane name with its corresponding number of carbon atoms in the parent chain.
1. Methane
a. 5 carbons
2. Propane
b. 1 carbon
3. Pentane
c. 3 carbons
4. Octane
d. 8 carbons
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