AP Chemistry Acid-Base Basics

Acid-Base Reaction

​Arrhenius Acid-Base reaction always produced water and a salt (ionic compound)

Multiple Choice

Identify the acid and the base in the follwing reaction.

KOH + HBr → H₂O + KBr

• KOH is the base and HBr is the acid.

• KOH is the acid and HBr is the base.

• KOH and HBr is the acid.

• KOH and HBr is the base.

Multiple Choice

In this reaction, identify the acid and base.

HCl + NH₃ → NH₄⁺ + Cl^-

• HCl is the acid and NH₃ is the base.

• HCl is the base and NH₃ is the acid

• HCl and NH₃ is the base.

• HCl and NH₃ is the acid

Acid-Base Conjugate Pairs

Acid donated H⁺ → conjugate base

Base accepts H⁺ → conjugate acid

Multiple Choice

Which compound is the conjugate base?

HCO₃^- + HCl ==> H₂CO₃ + Cl^-

• HCO₃^-

• HCl

• H₂CO₃

• Cl^-

Multiple Choice

NH₃ + H₂O --> NH₄⁺ + OH^-

What is H₂O in this reaction?

• acid

• base

• conjugate acid

• conjugate base

Multiple Choice

In the reaction below, H₂O is a(n):

H₂SO₃ + H₂O --> H₃O⁺ + HSO₃^-

• base

• acid

• conjugate acid

• conjugate base

Multiple Choice

In the reaction HCl + H₂O --> H₃O⁺ + Cl^-, what is the conjugate acid?

• HCl

• H₂O

• H₃O⁺

• Cl^-

​Acid-Base Nomenclature

(naming acids and bases)

Multiple Choice

What is the chemical name for HF?

• hydrofluorous acid

• hydrofluoric acid

• perfluoric acid

• hydroflouric acid

Multiple Choice

What is the chemical name for Sr(OH)₂?

• strontium hydroxide

• strontium hydride

• strontium (II) hydroxide

• strontium oxide

Multiple Choice

What is the correct name for HClO₃

• chlorous acid

• chloric acid

• hydrochloric acid

• hydrogen chloride

Multiple Choice

What is the chemical name for HCl?

• hydrogen monochloride

• chloric acid

• chlorous acid

• hydrochloric acid

Multiple Choice

The correct IUPAC name for H₂CO₃ is carbonic acid.

• True

• False