Naming Organic Compounds Worksheet

A Grade 9 Science worksheet focusing on the fundamental rules and IUPAC nomenclature for naming various organic compounds, including alkanes, alkenes, and alkynes.

Grade 9 Science ChemistryNaming Organic Compounds

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Includes

Multiple ChoiceFill in the BlanksShort AnswerMatchingTrue / False

Standards

HS-PS1-2HS-PS1-3

Topics

chemistryorganic compoundsnomenclaturealkanesalkenesalkynesgrade 9

7 sections · Free to use · Printable

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Naming Organic Compounds

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Read each question carefully and provide the best answer. This worksheet will test your knowledge of naming various organic compounds.

1. What is the general formula for an alkane?

CnH2n

CnH2n+2

CnH2n-2

CnHn

2. Which prefix indicates a four-carbon chain?

Prop-

Pent-

But-

Hex-

3. Organic compounds containing only single bonds are called .

4. The suffix used for an alkene is .

5. The IUPAC name for CH3CH2CH3 is .

6. Draw the condensed structural formula for 2-methylpropane.

7. Explain the difference between saturated and unsaturated hydrocarbons.

Match the organic compound with its correct formula/description.

8. Ethane

a. Contains a triple bond

9. Butyne

b. C2H6

10. Propene

c. C3H6

11. All organic compounds contain carbon and hydrogen.

True

False

12. The name 'pentane' indicates a five-carbon chain with at least one double bond.

True

False