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What is transferred in a Bronsted-Lowry acid-base reaction?
AA neutron, from base to acid
BA proton, from acid to base
CAn electron, from acid to base
DA hydroxide ion, from acid to base
Answer & Solution
Correct answer: B. A proton, from acid to base
1. The reaction is defined entirely by the movement of one particle.
2. That particle is the proton, and it travels from the donor to the acceptor.
3. The donor is the acid and the acceptor is the base, by definition.
4. Nothing in the model requires water, so it covers reactions the Arrhenius picture cannot.
_Source: OpenStax Chemistry (CC BY 4.0), Ch 14 "Acid-Base Equilibria", section 14.1 Brønsted-Lowry Acids and Bases_
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