Osmosis can be defined as

The diffusion of water or solvent through a semipermeable membrane from a solution of a lower concentration of solutes to a solution of a higher concentration of solutes, to which the membrane is relatively impermeable, is called osmosis.

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The diffusion of water or solvent through an impermeable membrane from a solution of a lower concentration of solutes to a solution of a higher concentration of solutes, to which the membrane is relatively impermeable, is called osmosis.

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The diffusion of water or solvent through a semipermeable membrane from a solution of a higher concentration of solutes to a solution of a lower concentration of solutes, to which the membrane is relatively impermeable, is called osmosis.

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None of the above.

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Solution

The correct option is A The diffusion of water or solvent through a semipermeable membrane from a solution of a lower concentration of solutes to a solution of a higher concentration of solutes, to which the membrane is relatively impermeable, is called osmosis.
In osmosis, only solvent molecules can move through a semipermeable membrane. In this process, water molecule moves from the region of its higher concentration to the region of its lower concentration. Thus, an osmosis is the diffusion of the water molecule through the semipermeable membrane.
Therefore, option A is correct.

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Similar questions

Question 6
Which among the following defines osmosis the best?

(a) Movement of water molecules from a region of higher concentration to a region of lower solute concentration through a semipermeable membrane
(b) Movement of solvent molecules from its higher concentration to a lower concentration
(c) Movement of solvent molecules from a higher concentration to a lower concentration of solution through a permeable membrane
(d) Movement of solute molecules from a lower concentration to a higher concentration of a solution through a semipermeable membrane

Q. 'Osmosis is flow of solution from higher concentration to solution of lower concentration through semi-permeable membrane'. Which is incorrect in the statement?

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

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.

Q. The movement of solvent molecules into the region of higher solute concentration through a semipermeable membrane is called

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