Question

A buffer can neutralize acid because: a. The weak acid grabs H* b. The conjugate base grabs H c. The buffer pH cannot be changed by any amount of acid d. Water grabs H and becomes neutral

Answer 1

Answer: Option (b) is the correct answer.

Explanation:

A buffer is defined as a solution which does not lead to any change in pH of a solution upon addition of an acid or base.

For example, $CH_{3}COOH \rightarrow CH_{3}COO^{-} + H^{+}$

Here, $CH_{3}COOH$ is the acid and $CH_{3}COO^{-}$ is its conjugate base.

So, when we add a conjugate base into an acid then it helps in neutralization of the solution.

Thus, we can conclude that a buffer can neutralize acid because the conjugate base grabs $H^{+}$ ion.