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GK QUESTION#3215

Consider the following statements: 1. Bronsted and Lowry introduced their theory of acids and bases in the year 1923. 2. According to their theory, an acid is a proton donor and a base is a proton acceptor. 3. The Bronsted-Lowry theory replaced the Arrhenius concept in the same year it was introduced. Which of the statements given above is/are correct?

  1. A1 and 3 only
  2. B2 and 3 only
  3. C1 and 2 onlyCorrect answer
  4. D1, 2 and 3
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Answer

C. 1 and 2 only

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Explanation

Brønsted and Lowry independently proposed proton-transfer definitions in 1923: acids donate protons and bases accept them. This broadens the aqueous Arrhenius framework, which remains useful in its domain. It was not simply abolished in 1923, so only statements 1 and 2 are correct.

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