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  • Consider Figure and mark the correct option. (i) water will move from the side (A) to side (B) if a pressure lower than the osmotic pressure is applied on piston (B).

Consider Figure and mark the correct option.

(i) water will move from the side (A) to side (B) if a pressure lower than the osmotic pressure is applied on piston (B).

(ii) water will move from the side (B) to side (A) if a pressure greater than the osmotic pressure is applied on piston (B).

(iii) water will move from the side (B) to side (A) if a pressure equal to osmotic pressure is applied on piston (B).

(iv) water will move from the side (A) to side (B) if pressure equal to osmotic pressure is applied on the piston (A).

Answers (1)

The answer is the option (ii). If the piston above B applies a pressure exceeding the osmotic pressure, water will move from concentrated solution (side B) to Fresh Water (side A).

The minimum pressure required to prevent the inward flow of a solution’s pure solvent through a semipermeable membrane is known as the osmotic pressure. It’s also known as the osmosis index, which measures a solution’s inclination for absorbing a pure solvent. The highest osmotic pressure that a solution could create if separated from its pure solvent by a semipermeable membrane is known as potential osmotic pressure.

When a selectively permeable membrane separates two solutions with varying solute concentrations, osmosis occurs. From a low-concentration solution to a solution with a higher solute concentration, solvent molecules move selectively through the membrane. Solvent molecules will continue to be transferred until equilibrium is reached.

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