Question
Chemistry Question on Colligative Properties
What happens to freezing point of benzene when small quantity of napthalene is added to benzene?
A
Increases
B
Remains unchanged
C
First decreases and then increases
D
Decreases
Answer
Decreases
Explanation
Solution
On addition of naphthalene to benzene, there is a depression in the freezing point of benzene. This is due to the presence of a non-volatile solute (naphthalene), which lowers the freezing point.