double bond
Plural
double bonds
1
a type of chemical bond between two atoms involving the sharing of two pairs of electrons, resulting in a stronger and more stable connection than a single bond
- Ethylene (C₂H₄) contains a double bond between two carbon atoms, allowing it to participate in polymerization reactions.
- Unsaturated fats have double bonds between carbon atoms in their hydrocarbon chains, contributing to their liquid state at room temperature.
- The double bond in oxygen gas (O₂) consists of two pairs of shared electrons, making it a stable diatomic molecule.
- In organic chemistry, molecules like formaldehyde (CH₂O) contain double bonds between carbon and oxygen atoms.
- Double bonds are essential in the formation of aromatic compounds like benzene, which contains alternating single and double bonds between carbon atoms.