Solutions Question 307

Question: An aqueous solution is 1.00 molal in KI. Which change will cause the vapour pressure of the solution to increase-

Options:

A) Addition of $ NaCl $

B) Addition of $ Na_2SO_4 $

C) Addition of 1.00 molal KI

D) Addition of water

Show Answer

Answer:

Correct Answer: D

Solution:

When the aqueous solution of one molal KI is diluted with water, concentration de- creases, therefore the vapour pressure of the resulting solution increases.



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