A Lewis acid is defined as _____.
A) a proton donor
B) an electron pair donor
C) a proton acceptor
D) an electron pair acceptor

Question

Quizplus · Accepted Answer

A Lewis acid is a chemical species that can accept a pair of electrons, also known as an electron pair acceptor. A Lewis base is a chemical species that can donate a pair of electrons, also known as an electron pair donor. Therefore, choices A and C are incorrect as they refer to the definition of a Brønsted–Lowry acid, which is a proton donor or acceptor, respectively. Choice B is incorrect as it refers to the definition of a Lewis base.

A Lewis Acid Is Defined as _____