Alkanes, Cycloalkanes, and Functional Groups Worksheet
This worksheet covers the basics of alkanes, cycloalkanes, and common functional groups in organic chemistry for Grade 9 students.
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Alkanes, Cycloalkanes, and Functional Groups
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Read each question carefully and answer to the best of your ability. Show all your work for calculations.
1. Which of the following best describes an alkane?
Hydrocarbons with at least one double bond.
Saturated hydrocarbons with only single bonds.
Hydrocarbons with a triple bond.
Hydrocarbons that contain oxygen.
2. What is the general formula for an alkane?
CnH2n
CnH2n+2
CnH2n-2
CnHn
3. Cycloalkanes are hydrocarbons that contain carbon atoms joined in a .
4. A functional group is an atom or group of atoms within a molecule that has characteristic properties.
5. The functional group -OH is characteristic of .
6. All alkanes are saturated hydrocarbons.
True
False
7. Cyclohexane is an example of an alkane.
True
False
8. Draw the structural formula for methane. (CH4)
9. Explain the difference between an alkane and a cycloalkane.
Match each functional group with its corresponding class of organic compounds.
10. -COOH
a. Alcohol
11. -NH2
b. Carboxylic Acid
12. -OH
c. Amine
13. -CHO
d. Aldehyde
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