Question

The presence of impurities decreases the boiling point of a liquid.

• A. True
• B. False

Answer 1

The correct option is B False

1. The presence of impurities in the solution increases the boiling point.
2. Impurities decrease the number of water molecules available for vaporization during boiling.
3. A large amount of heat is required to vaporize the same amount of impure solution as compared to the heat required to vaporize a pure solution.
4. Thus, the overall boiling point of the solution increases.

Hence, the given statement is false.