Flashcard library · Chemistry
Organic Chemistry: Functional Groups
This flashcard set covers the fundamental functional groups in Organic Chemistry, essential for understanding chemical reactivity and nomenclature. Master these core structures to build a strong foundation for your organic chemistry studies. This deck focuses on identifying key groups and their defining structural features.
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What is the defining characteristic of an alkane functional group?
Alkanes are hydrocarbons containing only single carbon-carbon and carbon-hydrogen bonds, making them saturated compounds.
How is an alkene functional group characterized?
An alkene contains at least one carbon-carbon double bond, leading to unsaturated compounds.
What distinguishes an alkyne functional group?
Alkynes possess at least one carbon-carbon triple bond, making them highly unsaturated.
Describe the structure of an alcohol functional group.
An alcohol features a hydroxyl group (-OH) covalently bonded to a saturated carbon atom (sp3 hybridized).
What is the general structure of an ether functional group?
An ether contains an oxygen atom bonded to two alkyl or aryl groups (R-O-R').
What is the key structural feature of an amine functional group?
An amine contains a nitrogen atom bonded to one or more alkyl or aryl groups, acting as a base due to its lone pair.
How is an aldehyde functional group identified?
An aldehyde contains a carbonyl group (C=O) where the carbon is bonded to at least one hydrogen atom and one alkyl or aryl group (R-CHO).
Describe the structural characteristics of a ketone functional group.
A ketone contains a carbonyl group (C=O) where the carbon is bonded to two alkyl or aryl groups (R-CO-R').
What defines a carboxylic acid functional group?
A carboxylic acid contains a carboxyl group (-COOH), which is a carbonyl group bonded to a hydroxyl group, making it acidic.
What is the structure of an ester functional group?
An ester contains a carbonyl group (C=O) where the carbon is bonded to an oxygen atom, which is then bonded to another alkyl or aryl group (R-COO-R').
Describe the structural components of an amide functional group.
An amide consists of a carbonyl group (C=O) bonded to a nitrogen atom, which can be further bonded to hydrogen or alkyl/aryl groups (R-CONH2, RCONHR, RCONR2).
What is the characteristic bond in a nitrile functional group?
A nitrile contains a carbon atom triple-bonded to a nitrogen atom (-C≡N).
What is the distinguishing feature of a thiol functional group?
A thiol, also known as a mercaptan, contains a sulfhydryl group (-SH) analogous to the hydroxyl group in alcohols.
How is an alkyl halide functional group structured?
An alkyl halide contains a halogen atom (F, Cl, Br, I) covalently bonded to a saturated carbon atom (sp3 hybridized) within an alkyl chain.
What is the defining characteristic of an aromatic ring functional group?
An aromatic ring, typically exemplified by benzene, is a cyclic, planar molecule with delocalized pi electrons, exhibiting enhanced stability.