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A coordinate bond (also called a dative covalent bond) is a covalent bond (a shared pair of electrons) in which both electrons come from the same atom. A covalent bond is formed by two atoms sharing a pair of electrons.
A Co-ordinate bond is a type of alternate covalent bond that is formed by sharing of an electron pair from a single atom. Both shared electrons are donated by the same atom. It is also called a dative bond or dipolar bond.
Examples of Coordinate Covalent Bonds. A classic example of a coordinate covalent bond forms when gaseous ammonia (NH 3) and hydrogen chloride (HCl) react and form ammonium ions (NH 4 +) and chloride ions and eventually ammonium chloride (NH 4 Cl). This is the “white smoke” chemistry demonstration. NH 3 (g) + HCl(g) → NH 4 Cl(s) The ...
An example of a dative covalent bond is provided by the interaction between a molecule of ammonia, a Lewis base with a lone pair of electrons on the nitrogen atom, and boron trifluoride, a Lewis acid by virtue of the boron atom having an incomplete octet of electrons. In forming the adduct, the boron atom attains an octet configuration.
A coordinate bond is defined as a covalent bond in which both electrons of the shared pair come from one of the two atoms (or ions).
The carbon monoxide molecule is correctly represented by a triple covalent bond between the carbon and oxygen atoms. One of the bonds is a coordinate covalent bond, a covalent bond in which one of the atoms contributes both of the electrons in the shared pair.
A coordinate bond is a type of covalent bond where both of the electrons that form the bond originate from the same atom (more generally, a "dative" covalent bond).
The carbon monoxide molecule is correctly represented by a triple covalent bond between the carbon and oxygen atoms. One of the bonds formed is a coordinate covalent bond, a covalent bond in which one of the atoms contributes both of the electrons in the shared pair.
In the formation of a simple covalent bond, each atom supplies one electron to the bond - but that doesn't have to be the case. A co-ordinate bond (also called a dative covalent bond) is a covalent bond (a shared pair of electrons) in which both electrons come from the same atom.
The forming of an ammonium ion (NH +4) from ammonia (NH 3) and a hydrogen ion (H +) is an example of co-ordinate bond formation. In ammonia, there is a central nitrogen atom that has a lone pair of electrons. The lone pair of electrons occupy a 'full' orbital. A H + ion is formed from a hydrogen atom losing one electron.