Question

Which one of the following contains a co-ordinate covalent
bond ?
(a) H₂O (b) HCl (c) BaCl₂ (d) N₂H₅

Answer 1

BaCl₂ have coordinate covalent bond.

Explanation:

Coordinate covalent bond:

It is the bond which is formed when the both electrons in bonding are came from same atom. In other words we can say that the electrons that form bond are given by the one atom.

In given compound the BaCl₂ have coordinate covalent bond.