Arrhenius concept explained
Correct answer: D. The dissociation of acids and bases in water
- A. Constant heat of neutralization
- B. Quantitative determination of acid/base strength
- C. Catalytic property of acid
- D. The dissociation of acids and bases in water
Explanation
The Arrhenius concept defines acids as substances that increase the concentration of H+ ions in aqueous solutions, while bases increase the concentration of OH- ions. It does not directly address the constant heat of neutralization, the quantitative determination of acid/base strength, or the catalytic properties of acids, which are unrelated to the fundamental definitions in the Arrhenius concept.
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About Acids, Bases and Salts
Acid and base behaviour is explained through the Bronsted-Lowry transfer of protons and the Lewis donation or acceptance of electron pairs. The topic includes pH, pOH, ionisation and water equilibrium, plus salt formation and hydrolysis, where a salt solution may become acidic, basic or neutral.
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