🍓Ester vs Ether💤
Esters and ethers both contain an oxygen atom bonded to carbon, but the surrounding structure makes them behave very differently.
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🍓Ester
- ✓Functional group RCOOR'
- ✓Has a carbonyl C=O next to an oxygen
- ✓Often has sweet, fruity smells
- ✓Formed from acid plus alcohol
- ✓Examples: ethyl acetate, fats, fragrances
💤Ether
- ✓Functional group R-O-R'
- ✓Just an oxygen bridging two carbons
- ✓Relatively unreactive and stable
- ✓Often used as solvents
- ✓Examples: diethyl ether, anisole
Verdict
Esters carry a carbonyl beside the oxygen and smell fruity; ethers are a plain oxygen bridge and act as inert solvents. The carbonyl is the deciding feature.
Frequently asked
How do I tell an ester from an ether?+
An ester has a carbonyl C=O next to its oxygen; an ether has no carbonyl at all.
Why do esters smell fruity?+
Many volatile esters have pleasant fruity aromas and are used in flavorings and perfumes.
Why are ethers good solvents?+
Ethers are fairly unreactive and dissolve many organic compounds without interfering.
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