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Answer to Question #38245 in Physical Chemistry for nayan

Question #38245
what are co-ordinate bonds?
Expert's answer
A dipolar bond, also known as a dative covalent bond or coordinate bond is a kind of 2-center, 2-electron covalent bond in which the two electrons derive from the same atom.
As usual it occurs in complex compounds, such as [Ni(H2O)6]Cl2, where dative ligand (in this case water) surround the metal atom and form the coordinate bond donating the unshared pair of electrons from oxygen atom to Nickel.
Also it can occur between two nonmetal atoms if one of them has the vacancy and the second holds the unshared electron pair. The example of such interaction is the bond between BH3 and NH3:
BH3 <- NH3

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