The pressure applied to stop the flow from low concentration solution to high concentration through a semipermeable membrane is

Vaccum pressure

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Vapour pressure

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Osmotic pressure

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Atmospheric pressure

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Solution

The correct option is C Osmotic pressure
The movement of water from high to low concentration results in the decrease in the amount of water from the area from where water is transferred. The pressure which is just sufficient to stop the flow of solvent from the weaker solution to the concentrated solution through a selectively permeable membrane is termed as osmotic pressure.

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Similar questions

Q. The movement of solvent molecules from higher concentration to lower concentration through semipermeable membrane under pressure is termed:

Q. At

300 K

, two solutions of glucose in water of concentration

0.01 M

and

0.001 M

are separated by semipermeable membrane. Pressure needs to be applied on which solution, to prevent osmosis? Calculate the magnitude of this applied pressure?

Q. Which of the following process involves movement of the water molecules from a high concentration region to a low concentration region through a semipermeable membrane?

Assertion (A) When a solution is separated from the pure solvent by a semipermeable membrane, the solvent molecules pass through it from pure solvent side to the solution side.
Reason (R) Diffusion of solvent occurs from a region of high concentration solution to a region of low concentration solution.

Osmosis is the flow of solvent into solution of higher concentration from solution of lower concentration through semi-permeable membrane. Which of the following is incorrect?

a. Osmotic pressure is the external pressure required to be applied so that there is no net movement of solvent across the membrane.

b. Reverse Osmosis is a process where you demineralize or deionize water by pushing it under pressure through a semi-permeable Reverse Osmosis Membrane.

c. In Osmosis when equilibrium is reached, then water stops flowing across the membrane

d. None of these

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