2.
Which of the following is NOT a Brønsted-Lowry acid-base reaction?
a)
NH
3
+ H
2
O
NH
4
+
+ OH
-
b)
NH
3
+ BF
3
NH
3
BF
3
c)
HSO
4
-
+ H
+
H
2
SO
4
d)
H
3
O
+
+ OH
-
2 H
2
O
