Acids & Bases Intro Quiz

Which 0.1 M solution contains an electrolyte?

• C₆H₁₂O₆(aq)

• CH₃COOH(aq)

• CH₃OH(aq)

• CH₃OCH₃(aq)

The electrical conductivity of KI(aq) is greater than the electrical conductivity of H₂O(l) because the KI(aq) contains mobile _____.

• molecules of H₂O

• ions from H₂O

• molecules of KI

• ions from KI

The diagram below shows an apparatus used to test the conductivity of various materials. Which aqueous solution will cause the bulb to light?

• C₆H₁₂O₆(aq)

• C₁₂H₂₂O₁₁(aq)

• CH₃OH(aq)

• LiOH(aq)

A sample of Ca(OH)₂ is considered to be an Arrhenius base because it dissolves in water to yield _____.

• Ca²⁺ ions as the only positive ions in solution

• H₃O⁺ ions as the only positive ions in solution

• OH^- ions as the only negative ions in solution

• H⁺ ions as the only negative ions in solution

Which two formulas represent Arrhenius acids?

• CH₃COOH and CH₃CH₂OH

• H₂C₂H₃O₂ and H₃PO₄

• KHCO₃ and KHSO₄

• NaSCN and Na₂S₂O

According to the Arrhenius theory, when a base is dissolved in water it produces a solution containing only one kind of negative ion. What is the name of this negative ion?

• hydrogen carbonate ion

• hydrogen sulfate ion

• hydride ion

• hydroxide ion

Which statement describes the characteristics of an Arrhenius base?

• It changes blue litmus to red and has a pH less than 7.

• It changes blue litmus to red and has a pH greater than 7.

• It changes red litmus to blue and has a pH less than 7.

• It changes red litmus to blue and has a pH greater than 7.

Hydrogen chloride, HCl, is classified as an Arrhenius acid because it produces _____.

• H⁺ ions in aqueous solution

• Cl^- ions in aqueous solution

• OH^- ions in aqueous solution

• NH₄⁺ ions in aqueous solution

How are HNO₃(aq) and CH₃COOH(aq) similar?

• They are Arrhenius acids and they turn blue litmus red.

• They are Arrhenius acids and they turn red litmus blue.

• They are Arrhenius bases and they turn blue litmus red.

• They are Arrhenius bases and they turn red litmus blue.

Which word equation represents a neutralization reaction?

• base + acid → salt + water

• base + salt → water + acid

• salt + acid → base + water

• salt + water → acid + base