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Lewis acid and base example

Accepted Answer

A Lewis acid is an electron pair acceptor, while a Lewis base is an electron pair donor. Here are some examples:
Lewis Acid:
AlCl3: Aluminum chloride has an empty orbital on the aluminum atom, making it capable of accepting an electron pair.
BF3: Boron trifluoride also has an empty orbital on the boron atom, making it a Lewis acid.
H+: The hydrogen ion has an empty orbital and can accept an electron pair.
Lewis Base:
NH3: Ammonia has a lone pair of electrons on the nitrogen atom, making it a Lewis base.
H2O: Water has two lone pairs of electrons on the oxygen atom, making it a Lewis base.
Cl-: The chloride ion has a lone pair of electrons, making it a Lewis base.

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