Which of the following reactions are acid-base reactions according to the Brønsted-Lowry model?
1. NH4+(aq) + H2O(l) NH3(aq) + H3O+(aq)
2. 2HF(aq) + Ca2+(aq)
3. H2PO4(aq) + OH(aq)
a. 1 only
b. 2 only
c. 3 only
d. 1 and 3
Answer: d
Which of the following reactions are acid-base reactions according to the Brønsted-Lowry model?
1. NH4+(aq) + H2O(l) NH3(aq) + H3O+(aq)
2. 2HF(aq) + Ca2+(aq)
3. H2PO4(aq) + OH(aq)
a. 1 only
b. 2 only
c. 3 only
d. 1 and 3
Answer: d