Common Acids and Bases

Which substance is an Arrhenius base?

• HNO₃

• H₂SO₃

• Ca(OH)₂

• CH₃COOH

Which substance is an Arrhenius acid?

• H₂

• HCl

• KCl

• NH₃

Which substance is an Arrhenius acid?

• HBr

• NaBr

• NaOH

• NH₃

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

• CH₃OH and NaOH

• CH₃OH and HCl

• HNO₃ and NaOH

• HNO₃ and HCl

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

• an Arrhenius acid

• an Arrhenius base

• a saturated hydrocarbon

• an unsaturated hydrocarbon

Which compounds are classified as Arrhenius acids?

• HCl and NaOH

• HNO₃ and NaCl

• NH₃ and H₂CO₃

• HBr and H₂SO₄

Potassium hydroxide is classified as an Arrhenius base because KOH contains

• OH^– ions

• O^2– ions

• K⁺ ions

• H⁺ ions

Which substance is an Arrhenius base?

• CH₃OH

• CH₃Cl

• LiOH

• LiCl

Which formula represents a hydronium ion?

• H₃O⁺

• NH₄+

• OH^–

• HCO₃^–

A substance that conducts an electrical current when dissolved in water is called

• catalyst

• metalloid

• electrolyte

• nonelectrolyte