Krishna
0

Covalent bonds and coordinate covalent bonds both have all the similar characteristics. due to the shared pair of electrons, there's no coulomb force that exists between the atoms. The arrow → indicates coordinate covalent bond and covalent bond represents with ----.

Covalent bond:


Covalent bond could be a chemical bonding process within which pairs of electrons are shared between two atoms. Here when elements share their electrons, they do not become positive or negative. Thus no ions are formed by covalent bonding.


EXAMPLE: There's a covalent bond between the oxygen and every hydrogen in a water molecule ( H_2O ). Each of the covalent bonds contains two electrons, one from a hydrogen atom and one from the oxygen atom. Both atoms share the electrons.


Coordinate covalent bond:

A coordinate bond also called a dative covalent bond. It is a chemical bond between two atoms that are produced when one atom shares a pair of electrons with another atom lacking such a pair. Also called coordinate covalent bond.


EXAMPLE: Carbon monoxide, CO. The bonding between the C atom and the O atom can be thought of as proceeding in this way. At this time, a double bond has formed between the 2 atoms, with each atom providing one of the electrons to every bond. The oxygen atom now has a stable octet of electrons, but the carbon atom only has six electrons and is unstable. This situation is resolved if the oxygen atom contributes one of its lone pairs in order to make a 3rd bond with the carbon atom.



The carbon monoxide molecule is correctly represented by a triple covalent bond between the carbon and oxygen atoms. one in every one of the bonds could be a coordinate covalent bond ,


Read more:

http://googlegalaxyscience.com/coordinate-covalent-bond-dative/


https://www.youtube.com/watch?v=faEYK46zCh4


https://courses.lumenlearning.com/cheminter/chapter/coordinate-covalent-bond/