9-01: Properties of Acids & Bases

Which compound is an Arrhenius base?

• 1. HCl

• 1. H₃PO₄

• Ca(OH)₂

• 1. CH₃COOH

Which substance is an Arrhenius acid?

• 1. H₂

• HCl

• 1. KCl

• 1. NH₃

According to one acid-base theory, a molecule acts as an acid when the molecule

• 1. accepts an H⁺

• 1. accepts and OH^–

• donates an H⁺

• 1. donates and OH^–

Which substance is an Arrhenius acid?

• HBr

• 1. NaBr

• 1. NaOH

• 1. NH₃

Which pair of compounds represents one Arrhenius acid and one Arrhenius base?

• 1. CH₃OH and NaOH

• 1. CH₃OH and HCl

• HNO₃ and NaOH

• 1. HNO₃ and HCl

Which type of substance yields hydrogen ions, H⁺, in an aqueous solution?

• an Arrhenius acid

• 1. an Arrhenius base

• 1. a saturated hydrocarbon

• 1. an unsaturated hydrocarbon

Based on the Arrhenius theory, when potassium hydroxide dissolves in water, the only negative ion in the aqueous solution is

• 1. O^2– (aq)

• 1. OH^2– (aq)

• 1. H^– (aq)

• OH^– (aq)

What can be explained by the Arrhenius Theory?

• 1. the behavior of many acids and bases

• 1. the effect of stress on a phase equilibrium

• 1. the operation of an electrochemical cell

• 1. the spontaneous decay of some nuclei

Which compounds are classified as Arrhenius acids?

• 1. HCl and NaOH

• 1. HNO₃ and NaCl

• 1. NH₃ and H₂CO₃

• 1. HBr and H₂SO₄

Which compound yields H⁺ ions as the only positive ions in an aqueous solution?

• 1. KOH

• 1. NaOH

• 1. CH₃OH

• CH₃COOH