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Which of the following solutions will conduct electricity? (i) Aqueous solution of glucose (ii) Aqueous solution of acetone (iii) Aqueous solution of acetic acid (iv) Aqueous solution of milk of magnesia

Which of the following solutions will conduct electricity? (i) Aqueous solution of glucose (ii) Aqueous solution of acetone (iii) Aqueous solution of acetic acid (iv) Aqueous solution of milk of magnesia Correct Answer (iii) and (iv)

The correct answer is statements (iii) and (iv).

Concept:

Conductivity in aqueous solutions:

  • It is a measure of the ability of water to conduct an electric current.
  • The more ions there are in the solution, the higher its conductivity.

Electrolyte:

  • Electrolytes are salts or molecules that ionize completely in solution. As a result, electrolyte solutions readily conduct electricity.
  • A strong electrolyte is one where many ions are present in the solution and a weak electrolyte is one where few ions are present.

Non-electrolytes:

  • They do not dissociate into ions in solution.
  • Therefore, they do not conduct electricity.

Explanation:

Aq. sol. of glucose  Non-electrolyte  do not conduct electricity
Aq. sol. of acetone Non-electrolyte do not conduct electricity
Aq. sol. of acetic acid Electrolyte  conduct electricity
Aq. sol. of milk of magnesia Electrolyte  conduct electricity

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