Ethyl group
An ethyl group is organic group with one hydrogen atom removed from ethane. The chemical formula is –C2H5. The prefix "eth–" means there is two carbon atoms in a molecule bonded together. The name "ethyl" was invented in 1835 by a Swedish chemist Jöns Jacob Berzelius.
Examples
- Diethyl ether: C2H5OC2H5
- Ethyl methyl ketone: C2H5COCH3
- Ethanol: C2H5OH
- Ethylbenzene: C6H5C2H5
- Ethyl chloride: C2H5Cl