Lewis Acid-Base Reactions
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Lewis acid-base reactions are reactions that proceed with the formation of coordinate covalent bond.
Since a proton adds to a base by sharing a pair of its electrons donated by the base, the reactinos illustrated by Equations (1)-(5) involve Lewis acid-base reactions as well as the proton-transfer acid-base reactions.
The following reactions, which do not involve the transfer of hydrogen at all, are also Lewis acid-base reactions since a coordinate covalent bond is formed:
Equation (6)
Equation (7)
The three lone pairs of electrons on each chlorine atom, bonded to iodine have been omitted for the clarity in Equation (7) above.
