BRAINCAKEDehydration of Alcohols
On heating an alcohol with concentrated phosphoric acid H3PO4, an elimination reaction occurs. A molecule of water is eliminated and an alkene is formed. This reaction is also known as dehydration.
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Key terms in this lesson
- elimination
- A reaction in which atoms or a small molecule are removed from a molecule, often forming a double bond.
- position isomerism
- Structural isomerism in which compounds have the same molecular formula but the functional group is in a different position.
- E-Z isomerism
- A system for naming geometric isomers, in which the two isomers are distinguished by the priority (atomic number) of the groups attached to each carbon of the double bond.
More in Alcohols
- Alcohols
- Physical Properties
- Classifying Alcohols
- Combustion and use as Fuels
- Oxidation
- Nucleophilic Substitution Reactions
All 7 lessons in Alcohols · All OCR A-level Organic Chemistry topics