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2.1 Acid-Base Definitions (Solution)

Lesson Summary

1. The conjugate base of H3O+:

A. H3O
B. H2O
C. H3O
D. H3O+
E. HO

2. What is the conjugate acid of C6H5NH2?

A. C6H5NH3+
B. C6H5NH
C. C6H5NH4+
D. C6H5NH2

3. Which of the following is NOT a conjugate acid-base pair?

A. H2O, H3O+
B. Cl-1, HCl
C. SO42-, HSO41-
D. NO3, HNO3
E. -OH, O2-

4. Identify each substance in the following reactions as an acid, a base, a conjugate base, or a conjugate acid.