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Questions and Answers
Which functional group is represented by the following Lewis structure? (C6H5-)
Which functional group is represented by the following Lewis structure? (C6H5-)
Identify the functional group associated with the following Lewis structure: (RCH=CH2)
Identify the functional group associated with the following Lewis structure: (RCH=CH2)
What functional group is present in the following Lewis structure: (R-NH2)?
What functional group is present in the following Lewis structure: (R-NH2)?
Which functional group does the following Lewis structure signify: (R-CO-OR')?
Which functional group does the following Lewis structure signify: (R-CO-OR')?
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Identify the functional group from the following Lewis structure: (R-C≡C-R')
Identify the functional group from the following Lewis structure: (R-C≡C-R')
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Study Notes
Aromatic
- Characterized by a cyclic conjugated system with delocalized π electrons
- Often have a benzene ring structure
- Exhibit resonance stabilization
Alkenes
- Contain a carbon-carbon double bond
- Have a planar geometry around the double bond
Alkynes
- Contain a carbon-carbon triple bond
- Have a linear geometry around the triple bond
Alcohols
- Contain a hydroxyl (-OH) group bonded to a saturated carbon
- Can be classified as primary, secondary, or tertiary depending on where the –OH group is attached
Amines
- Contain a nitrogen atom bonded to one or more alkyl or aryl groups
- Classified as primary, secondary, or tertiary depending on the number of carbon atoms attached to the nitrogen
Nitriles
- Contain a cyano group (-CN)
- Have a triple bond between the carbon and nitrogen
Aldehyde
- Contain a carbonyl group (C=O) bonded to at least one hydrogen atom
- Typically have a pungent odor
Ketone
- Contain a carbonyl group (C=O) bonded to two alkyl or aryl groups
- Often have a fruity odor
Carboxylic acid
- Contain a carboxyl group (-COOH)
- Have acidic properties
Ester
- Contain a carbonyl group (C=O) bonded to an oxygen atom that is also bonded to an alkyl or aryl group
- Often have a pleasant odor
Amides
- Contain a carbonyl group (C=O) bonded to a nitrogen atom
- Have a planar geometry around the carbonyl group
Haloalkanes
- Contain a halogen atom (F, Cl, Br, or I) bonded to a saturated carbon atom
Ethers
- Contain an oxygen atom bonded to two alkyl or aryl groups
- Have a relatively unreactive nature
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Description
This quiz covers key functional groups in organic chemistry, including aromatic compounds, alkenes, alkynes, alcohols, amines, nitriles, aldehydes, and ketones. Test your understanding of their structures, characteristics, and classifications. Perfect for students studying organic chemistry concepts.
