The electronegativity difference between iodine and the chlorine atom is 0.5 and hence, the Cl-I bond in iodine trichloride is a polar covalent bond.
<h3>What is covalent bonding?</h3>
An electron exchange that results in the formation of electron pairs between atoms is known as a covalent bond. When atoms share electrons, a stable equilibrium of the attractive and repulsive forces between them is known as covalent bonding. These electron pairs are also known as shared pairs or bonding pairs. Each atom in numerous molecules can reach the equivalent of a full valence shell thanks to the sharing of electrons, which results in a stable electronic state. Covalent bonds are substantially more frequent than ionic bonds in organic chemistry.
Covalent bonds were first described in 1939. A "co-valent bond" essentially denotes that the atoms share "valence" because the prefix "co-" indicates jointly, "related in action," "partnered to a lesser extent,".
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