1
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A set of solutions is prepared using 180 g of water as a solvent and 10 g of different nonvolatile solutes A, B and C. The relative lowering of vapour pressure in the presence of these solutes are in the order :

[Given, molar mass of A = 100 g mol–1; B = 200 g mol–1; C = 10,000 g mol–1]
A
A > C > B
B
C > B > A
C
A > B > C
D
B > C > A
2
JEE Main 2020 (Online) 2nd September Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The size of a raw mango shrinks to a much smaller size when kept in a concentrated salt solution. Which one of the following processes can explain this?
A
Osmosis
B
Reverse osmosis
C
Diffusion
D
Dialysis
3
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A graph of vapour pressure and temperature for three different liquids X, Y, and Z is shown below : JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Solutions Question 89 English The following inferences are made :
(A) X has higher intermolecular interactions compared to Y.
(B) X has lower intermolecular interactions compared to Y.
(C) Z has lower intermolecular interactions compared to Y.
The correct inference (s) is / are :
A
(B)
B
(A)
C
(C)
D
(A) and (C)
4
JEE Main 2020 (Online) 7th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Two open beakers one containing a solvent and the other containing a mixture of that solvent with a non voltatile solute are together selated in a container. Over time :
A
The volume of the solution increases and the volume of the solvent decreases.
B
The volume of solution does not change and the volume of the solvent decreases.
C
The volumer of the solution and the solvent does not change.
D
The volume of the solution decreases and the volume of the solvent increases.
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