Answer:
HNO3 and HNO2
Explanation:
Conjugate acid base pair differ only by the presence of a hydrogen proton (H+).
NH3 and NH2-
This is a Conjugate acid base pair
HNO3 and HNO2
This is a NOT Conjugate acid base pair
H2O and OH-
This is a Conjugate acid base pair
HI and I-
This is a Conjugate acid base pair
