Question

Several interesting observations from the world around you are listed below. Which of these is NOT explained by a colligative property?

1.) At high altitude it takes longer to cook spaghetti.

2.) The freezing point of water is lowered when salt is added.

3.) A lobster will die when placed in fresh water.

4.) Water boils at a higher temperature when salt is added.

5.) Antifreeze is added to a car radiator to keep the car from overheating.

Answer 1

Answer:

1.) At high altitude it takes longer to cook spaghetti.

Explanation:

The first even describes depression in boiling point due to reduction in external pressure . It is not a colligative property.

Depression of freezing  point and elevation of boiling point due to impurity or addition of solute are colligative priperty.