Question Detail

CHM 102 Isolation and Purification of Organic Compounds Objective Question

Question

In steam distillation, the total vapor pressure equals:
Options
A Vapor pressure of water only
B Vapor pressure of organic compound only
C Sum of vapor pressures of water and organic compound
Correct Answer
D Atmospheric pressure plus water vapor pressure
Correct Answer

Option C is the correct answer.

Detailed Explanation

Dalton's law: Total vapor pressure = vapor pressure of water + vapor pressure of organic compound(s). Boiling occurs when total pressure equals atmospheric pressure.

Hint

Add the partial pressures.

Question Info