Chemical Engineering - Mass Transfer - Discussion
Discussion Forum : Mass Transfer - Section 1 (Q.No. 14)
14.
On addition of solute in the solvent, the __________ of the solution decreases.
Discussion:
11 comments Page 1 of 2.
Dips G said:
4 years ago
@Rinku @Ahmad @Kishor.
You guys saying pressure and Boiling point relationship.
Less vapour pressure means high boiling liquid. Am I right?
You guys saying pressure and Boiling point relationship.
Less vapour pressure means high boiling liquid. Am I right?
(1)
Aarya Sankhe said:
4 years ago
Boiling occurs when vapour pressure of a liquid equals surrounding pressure, now since solute is added to the solvent (liq) the vapour pressure decreases and melting point also decreases. Hence a greater temperature is required for the vapour pressure to reach surrounding pressure and hence boiling point increases.
(1)
Technical Job Alarms said:
5 years ago
Vapour pressure is inversely proportional to the boiling point.
T. C. Choudhary said:
6 years ago
Your explanation is right, @rRajendra and @ Dk Yadav.
Ikuejawa Dayo said:
8 years ago
Your statement is right, @Rajendra and @Yadav.
Dk yadav said:
8 years ago
After add the solute to solvent the vapour pressure will be reduce and so boiling point will increase and freezing point will decrease.
RAJENDRA said:
9 years ago
The decrease in the vapor pressure of the solvent that occurs when a solute is added to the solvent causes an increase in the boiling point and decrease in the melting point of the solution. According to this figure, the solution can't boil at the same temperature as the pure solvent.
Ahmad said:
9 years ago
You choose the correct answer @Rinku.
Kishor said:
9 years ago
You are right @Rinku.
Rinku said:
9 years ago
If vapor pressure decreases boiling point should decrease. Correct me if I am wrong.
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