Question

Assertion According to Lowry-Bronsted theory, a substance can function as an acid as well as a base. Reason (R) Acid reacts with a base to produce a salt. The correct answer is

• A. Both (A) and (R) are true and (R) is the correct explanation of
• B. Both (A) and (R) are true but (R) is not the correct explanation of
• C. is true but (R) is not true
• D. is not true but (R) is true

Answer 1

Answer: (B)

According to Lowry-Bronsted theory, acids have a tendency to give proton and bases have a tendency to accept proton. A single substance can give as well as accept proton, thus car behave like both eg,
(He called such substance amphoteric.) $ \text{Acid + base}\xrightarrow{{}}\text{salt} $ Thus, both Assertion and Reason are correct but reason is not the correct explanation of Assertion.