Dental Admissions Test (DAT) 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which of the following is a characteristic of a Lewis acid?

Accepts a proton

Donates an electron pair

Accepts an electron pair

A Lewis acid is a molecule or ion that is able to accept an electron pair. In contrast, a Lewis base is a molecule or ion that is able to donate an electron pair. Therefore, A and D are incorrect because they refer to the action of donating or accepting a proton, while B is incorrect because it refers to the action of donating an electron pair. The correct characteristic of a Lewis acid is the acceptance of an electron pair.

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Donates a proton

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