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Topic 10: Organic Chemistry

14. Aldehydes: Recalling concept facts and definitions
Recognizing names and formulas of aldehydes
1. Which correctly shows the functional group of all aldehydes?

1) 2) 3) 4)

2. Which IUPAC name ending is common for class of organic compound called aldehyde?
1) –yl 2) –al 3) –ol 4) –one
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3. Which is a name of an aldehyde?
1) Methanal 2) Methanol 3) Ethane 4) Propanone

4. A compound of which IUPAC name represents an aldehyde?

1) Pentane 2) Butanoic 3) Propanol 4) Hexanal
5. Which formula represents a member of the aldehyde family?

1) CH3CH2OH 2) CH3COOH 3) CH3OCH3 4) CH3CHO
6. Which is a correct formula of an aldehyde?

1) C3H7CHO 2) C3H6(OH)2 3) C6H12O6 4) C2H5COOH
7. A structure of an organic compound is shown below:

This structure is classified as an aldehyde because it contains
1) = O atoms 2) - H atoms 3) -CHO group 4) C – C group

8. The structural formula of which compound represents an aldehyde?

1) 3)

2) 4)
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