Assertion (A) In osmosis, solvent molecules pass through a semipermeable membrane from a more dilute solution to a more concentrated one, when these two are separated by the semi-permeable membrane.
Reason (R) The vapour pressure of the solvent over the dilute solution is less than that over the concentrated solution.
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true, but R is not the correct explanation of A
C. A is true, but R is false
D. A is false, but R is true
Answer: Option C
Related Questions on Solutions and Surface Chemistry
A. saturated solution
B. unsaturated solution
C. supersaturated solution
D. none of the above
A. mixture of two solids
B. those which boil at different temperatures
C. those which can be fractionally distilled
D. the constant boiling mixture
The process of diffusion in gases take place due to the
A. difference in their densities
B. difference in their composition
C. equal in densities
D. All of the above
The process of separating of cream from milk is called
A. electro-osmosis
B. emulsion
C. emulsification
D. demulsification
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