Alkene Nomenclature Worksheet
A Grade 9 Science worksheet focusing on the nomenclature of alkenes, including identifying parent chains, numbering, and naming branched alkenes.
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Alkene Nomenclature Practice
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Read each question carefully and follow the IUPAC rules for naming alkenes. For drawing structures, ensure all carbon and hydrogen atoms are represented correctly.
1. What is the parent chain for the alkene shown below?
Butene
Pentene
Hexene
Propene
2. Alkenes are hydrocarbons that contain at least one carbon-carbon bond.
3. The suffix used to denote an alkene is .
4. The numbering of the carbon chain in an alkene starts from the end closest to the bond.
5. Name the following alkene: CH2=CH-CH2-CH3
6. Draw the condensed structural formula for 2-methylpropene.
7. The general formula for an alkene is CnH2n+2.
True
False
Match the alkene name with its correct number of carbon atoms.
8. Ethene
a. 3 carbons
9. Propene
b. 4 carbons
10. Butene
c. 2 carbons
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