Question

Classify the following as strong, weak and non-electrolytes.
Vinegar, Copper sulphate solution, Soap solution, Sodium chloride solution, Alcohol

Answer 1

(i) Strong electrolytes :  ammonium chloride, dil. Hydrochloric acid, dil. Sulphuric acid.

(ii) Weak electrolytes :  Acetic acid, ammonium hydroxide.  

(iii) Non electrolytes : Distilled water, Alcohol, sugar solution

Answer 2

Answer:

Strong electrolytes: Copper sulphate solution and Sodium Chloride solution.
Weak electrolytes: Vinegar and Soap solution.
Non-electrolyte: Alcohol

Explanation:

Strong Electrolytes: Copper sulphate and Sodium Chloride solutions are strong electrolytes as they tend to ionize completely and rapidly when dissolved in a polar solvent.

Weak Electrolytes: Vinegar and Soap solutions are weak electrolytes because only a portion of their molecules ionizes when dissolved in a solvent, while some remain molecules.

Non-electrolyte: Non-electrolytes are those compounds that do not carry any specific ionic form when they are dissolved in an aqueous solution.
Thus, alcohol, i.e., ethanol is a non-electrolyte because it does not ionize when dissolved in an aqueous solution.