Multiple choice

Which of the following aqueous solution conducts electricity?

  1. Glucose

  2. Hydrochloric acid

  3. Ethyl alcohol

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Aqueous solutions conduct electricity if they contain ions. Hydrochloric acid (HCl) dissociates into H+ and Cl- ions in water, allowing it to conduct electricity, whereas glucose and ethyl alcohol are covalent compounds that do not ionize.