Fundamentals

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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There are three similar versions of this question. Here is one of those versions:
 

Version 1:

Consider the following acid-base reaction.

NH3(aq)   +   H2O(l)    ==>   NH4+(aq)   +  OH-(aq)

 
Which species is acting as the proton donor in this reaction?
NH3
H2O
NH4+
OH-
 
 
Which species is acting as the proton acceptor in this reaction?
NH3
H2O
NH4+
OH-
 
 
Idenitfy the two sets of conjugate acid-base pairs.
NH3 and H2O
NH4+ and OH-
NH3 and NH4+
H2O and OH-
NH3 and OH-
H2O and NH4+
 
 

How to Think About This Situation

The Bronsted-Lowry model describes the relationship between a base and its conjugate acid. This relationship is described in the graphic below. Study and review the graphic and apply the principles to answer this question.


 

To learn more about the law of reflection for plane mirrors, visit the following page at The Physics Classroom Tutorial:

The Law of Reflection


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