Chemistry Practice Problems Conjugate Acids and Bases Practice Problems Solution: Benzoic acid (C6H5COOH) and aniline (C6H5NH2) are ...

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Solution: Benzoic acid (C6H5COOH) and aniline (C6H5NH2) are both derivatives of benzene. Benzoic acid is an acid with Ka = 6.3 x 10-5 and aniline is a base with Kb = 4.3 x 10-10.What are the conjugate base of benzoic acid and the conjugate acid of aniline?

Problem

Benzoic acid (C6H5COOH) and aniline (C6H5NH2) are both derivatives of benzene. Benzoic acid is an acid with Ka = 6.3 x 10-5 and aniline is a base with Kb = 4.3 x 10-10.
Benzoic acid is a COOH single bonded to benzene. Aniline is an NH2 single bonded to benzene.

What are the conjugate base of benzoic acid and the conjugate acid of aniline?