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Alcohols

Part of the Structure and Bonding section of Coddy's Chemistry journey. Lesson 41 of 49.

A functional group gives a compound its chemistry. Alcohols carry the hydroxyl group, -OH, on a carbon.

The full structural formula of ethanol, CH3-CH2-OH, with the O-H group shaded

Ethanol: the hydroxyl group, -OH, is shaded

The polar O-H bond makes hydrogen bonds: small alcohols mix with water, and alcohols boil higher than alkanes of the same size.

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Challenge

Ethanol is the alcohol made when yeast ferments sugar. Mark its functional group.

Try it yourself

Functional groupsMark the functional groups in CH3CH2OH
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This lesson includes a short quiz. Start the lesson to answer it and track your progress.

All lessons in Structure and Bonding

1Ionic Bonding

Why Atoms BondForming IonsThe Ionic BondIonic FormulasPolyatomic IonsIonic LatticesRecap - Salt Factory

4Polarity

Electronegativity and BondsPolar and Non-polar BondsIonic or CovalentPolar MoleculesWhen Dipoles CancelRecap - Dipole Hunt

7Functional Groups

Carbon ChainsStructural FormulasAlcoholsCarboxylic AcidsEsters and EthersAldehydes, Ketones, AminesRecap - Group Finder

2Covalent Bonds

Sharing ElectronsCounting Valence ElectronsDrawing Lewis StructuresDouble and Triple BondsLone PairsFormal ChargeLewis Structures of IonsRecap - Molecule Builder

5Forces Between Molecules

London ForcesDipole-Dipole ForcesHydrogen BondsBoiling PointsLike Dissolves LikeRecap - Boiling Contest

8Practice Problems

Recap - Polar Bonds SurveyRecap - Pigments and HexaneRecap - Butanol and EtherRecap - Dots on an Oxide

3Shapes of Molecules

Electron GroupsLinear and Trigonal PlanarTetrahedral MoleculesPyramids and Bent MoleculesBond AnglesRecap - Shape Detective

6Metals and Giant Structures

Metallic BondingDiamond and GraphiteGiant Covalent StructuresFour Kinds of SubstanceRecap - Material Match