Which statement describes one acid-base theory?

1. An acid is an H$^+$ acceptor, and a base is an H$^+$ donor.

2. An acid is an H$^+$ donor, and a base is an H$^+$ acceptor.

3. An acid is an H$^-$ acceptor, and a base is an H$^-$ donor.

4. An acid is an H$^-$ donor, and a base is an H$^-$ acceptor.

Question

Which statement describes one acid-base theory?

1. An acid is an H$^+$ acceptor, and a base is an H$^+$ donor.

2. An acid is an H$^+$ donor, and a base is an H$^+$ acceptor.

3. An acid is an H$^-$ acceptor, and a base is an H$^-$ donor.

4. An acid is an H$^-$ donor, and a base is an H$^-$ acceptor.

Kalahira · Answer

The answer is an acid is an H+ donor and a base is a H+ acceptor . This is in accordance to the Lewis definition of acids, which states that an acid is any substance that is able to release H+ ions in a solution or one that is able to accept a pair of nonbonding electrons. Another example of an acid-base theory is the Bronsted-Lowry theory of acids and bases.

Answered by Kalahira | 2024-06-11

Kalahira · Answer

The correct answer is option 2: An acid is an H+ donor, and a base is an H+ acceptor, according to the Bronsted-Lowry theory. This theory emphasizes proton transfer, which broadens the understanding of acid-base interactions. It was proposed by Brønsted and Lowry in 1923. 
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Answer (2)

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