Which term describes an electron pair acceptor in Lewis acid-base theory?

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Multiple Choice

Which term describes an electron pair acceptor in Lewis acid-base theory?

Explanation:
In Lewis acid-base theory, an acid is defined as a species that accepts an electron pair, while a base donates an electron pair. So the term that describes an electron pair acceptor is Lewis acid. The other definitions come from different theories: Arrhenius acids relate to H+ donation in water, Brønsted-Lowry bases are proton acceptors, and a Lewis base is an electron pair donor. For example, BF3 accepts an electron pair from NH3, forming a Lewis acid–base adduct, which illustrates the concept clearly.

In Lewis acid-base theory, an acid is defined as a species that accepts an electron pair, while a base donates an electron pair. So the term that describes an electron pair acceptor is Lewis acid. The other definitions come from different theories: Arrhenius acids relate to H+ donation in water, Brønsted-Lowry bases are proton acceptors, and a Lewis base is an electron pair donor. For example, BF3 accepts an electron pair from NH3, forming a Lewis acid–base adduct, which illustrates the concept clearly.

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