Electrolytes

An electrolyte is...

• The rapid, random movement of particles in colloidal dispersion.
• A substance that dissolves in water and conducts electric current.
• A substance that dissolves in water and does not conduct electric current.
• The solution process when water is the solvent.

Which aqueous solution is the best conductor of an electrical current?

• 0.01 M CH₃OH

• 0.1 M CH₃OH

• 0.01 M KOH

• 0.1 M KOH

Which formula represents an electrolyte?

• CH₃OCH₃

• CH₃COOH

• C₂H₅OCH₃

• C₂H₅CHO

Which pair of formulas represents two compounds that are electrolytes?

• HCl and CH₃OH

• C₆H₁₂ and CH₃OH

• HCl and NaOH

• C₆H₁₂ and NaOH

Which compound is an electrolyte?

• C₆H₁₂O₆

• CaCl₂

• C₆H₆

• CCl₄

Based on Reference Table F, which of these salts is the best electrolyte?

• sodium nitrate

• silver chloride

• magnesium carbonate

• barium sulfate

Based on the data table, which unknown solution could be 0.1 M NaOH?

• A

• B

• C

• D

Which 0.1 M solution contains an electrolyte?

• C₆H₁₂O₆(aq)

• CH₃OH(aq)

• CH₃COOH(aq)

• CH₃OCH₃(aq)

Which species can conduct an electric current?

• NaOH(s)

• CH₃OH(aq)

• H₂O(s)

• HCl(aq)

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

• a catalyst

• a metalloid

• a nonelectrolyte

• an electrolyte