1
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Benzene and toluene form nearly ideal solutions. At 20 oC, the vapour pressure of benzene is 75 torr and that of toluene is 22 torr. The partial vapour pressure of benzene at 20 oC for a solution containing 78 g of benzene and 46 g of toluene in torr is
A
50
B
25
C
53.5
D
37.5
2
AIEEE 2005
MCQ (Single Correct Answer)
+4
-1
Equimolar solutions in the same solvent have
A
Same boiling point but different freezing point
B
Same freezing point but different boiling point
C
Same boiling and same freezing points
D
Different boiling and different freezing points
3
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Which of the following liquid pairs shows a positive deviation from Raoult’s law?
A
Water – hydrochloric acid
B
Acetone – chloroform
C
Water – nitric acid
D
Benzene – methanol
4
AIEEE 2004
MCQ (Single Correct Answer)
+4
-1
Which one of the following statements is false?
A
Raoult’s law states that the vapour pressure of a components over a solution is proportional to its mole fraction
B
Two sucrose solutions of same molality prepared in different solvents will have the same freezing point depression
C
The correct order of osmotic pressure for 0.01 M aqueous solution of each compound is BaCl2 > KCl > CH3COOH > sucrose
D
The osmotic pressure ($$\pi$$) = MRT, where M is the molarity of the solution
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12