Match the following species with the corresponding conjugate acid.

Species Conjugate acid
A.  NH3  1. CO32-
B. HCO3- 2. NH4+
C. H2O 3.H3O+
D. HSO4-  4. H2CO3
5. H2SO4

Codes

A B C D
1. 2 5 1 5
2. 2 4 3 5
3. 5 4 3 2
4. 4 5 3 2
Hint: Conjugate acids are a type of acid that is formed when a base accepts a proton in solution.
Explanation:

As conjugate baseBase + H+
A.NH3+H+NH4+
B. HCO3-+H+H2CO3
C. H2O+H+H3O+
D. HSO4-+H+H2SO4