The Bronsted-Lowry model of acids and bases is based on the definition of an acid as a proton donor and the definition of a base as a proton acceptor.
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Bronsted-Lowry Model of Acids and Bases - help7
There are two similar versions of this question. Here is one of those versions:
Version 1:
Consider the following acid-base reaction.HBr(aq) + H2O(l) ==> Br-(aq) + H3O+(aq)
Which species is acting as the proton donor in this reaction?
HBr
H2O
Br-
H3O+
Which species is acting as the proton acceptor in this reaction?
HBr
H2O
Br-
H3O+
Idenitfy the two sets of conjugate acid-base pairs.
HBr and H2O
Br- and H3O+
HBr and Br-
H2O and H3O+
HBr and H3O+
H2O and Br-
The Bronsted-Lowry model describes the relationship between an acid and its conjugate base. This relationship is described in the graphic below. Study and review the graphic and apply the principles to answer this question.