5. The benzoate anion is the conjugate base of the benzoic acid. Potassium
2 answers:
<u>Answer:</u> The benzoic acid is a weak acid.
<u>Explanation:</u>
According to the Bronsted-Lowry conjugate acid-base theory:
- An acid is defined as a substance which looses donates protons and thus forming conjugate base.
- A base is defined as a substance which accepts protons and thus forming conjugate acid.
The chemical equation for the reaction of potassium benzoate with water follows:
Here, benzoate anion is accepting a proton from water and is acting as conjugate base. Water is acting as conjugate acid.
The solution formed is basic solution because of the formation of potassium hydroxide.
When a strong base and weak acid reacts, it leads to the formation of basic solution.
Hence, the benzoic acid is a weak acid.
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