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J. W. Hill, R. H. Petrucci, T. W. McCreary, & S. S. Perry General Chemistry 4th edition

Problem 15.23

For each of the following, identify the conjugate acid-base pairs.

(a) HOClO2(aq) + H2O(l)H3O+(aq) + OClO2(aq)

(b) HSeO4(aq) + NH3(aq)NH4+(aq) + SeO42–(aq)

(c) HCO3(aq) + OH(aq)CO32–(aq) + H2O(l)

(d) C5H5NH+(aq) + H2O(l)C5H5N(aq) + H3O+(aq)




Answer:
(a)
HOClO2(aq)
+
H2O(l)
H3O+(aq)
+
OClO2(aq)
acid
base
conjugate acid
conjugate base

(b)
HSeO4(aq)
+
NH3(aq)
NH4+(aq)
+
SeO42–(aq)
acid
base
conjugate acid
conjugate base

(c)
HCO3(aq)
+
OH(aq)
CO32–(aq)
+
H2O(l)
acid
base
conjugate base
conjugate acid

(d)
C5H5NH+(aq)
+
H2O(l)
C5H5N(aq)
+
H3O+(aq)
acid
base
conjugate base
conjugate acid