G8 Chemistry Final Exam Review Part 2

According to the classical (old) definition, acids are substances that:

• Taste bitter and feel slippery

• Contain hydroxide ions

• Taste sour and turn blue litmus red

• Are always strong

According to the classical (old) definition, bases are substances that:

• Taste sour and turn red litmus blue

• Produce hydrogen ions in water

• Are slippery and produce OH⁻ in water

• Are insoluble in water

According to Arrhenius, an acid is a substance that:

• Donates a proton

• Accepts a proton

• Increases the concentration of H⁺ in aqueous solution

• Increases the concentration of OH⁻ in aqueous solution

According to Arrhenius, a base is a substance that:

• Accepts an electron pair

• Increases the concentration of OH⁻ in aqueous solution

• Donates an H⁺

• Reacts only with metals

Which of the following is an example of an Arrhenius acid?

• NaOH

• NH₃

• HCl

• CH₄

Which of the following is an example of an Arrhenius base?

• HCl

• NaOH

• HNO₃

• H₂O

According to the Brønsted–Lowry definition, an acid is:

• A proton donor

• A proton acceptor

• An OH⁻ producer

• A neutral compound

According to the Brønsted–Lowry definition, a base is:

• A hydrogen ion donor

• A hydroxide ion donor

• A proton acceptor

• A proton donor

Which of the following substances is a Brønsted–Lowry base?

• HCl

• HNO₃

• NH₃

• H₂SO₄

Which of the following can act as both a Brønsted–Lowry acid and base (amphoteric)?

• NaCl

• H₂O

• HCl

• OH⁻