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  • Osmotic pressure isOption: 1 A negative pressureOption: 2 A positive pressure

Osmotic pressure is

Option: 1

A negative pressure


Option: 2

A positive pressure


Option: 3

A neutral pressure


Option: 4

None of these


Answers (1)

best_answer
 
  • The term ‘osmotic pressure’ was coined by Pfeffer.
  • It is the pressure which is applied at the solution side to prevent the movement of solvent particles towards the solution.
  • The osmotic pressure is equal and opposite to the force applied by the solvent particles.
  • It can be defined as the excessive hydrostatic pressure which must be applied to the solution in order to make its water potential equal to that of pure water.
  • In other words, it is the pressure which is needed to check the process of osmosis.
  • It can be measured by osmometer.
  • It is a positive force.
  • It is a colligative property.

Osmotic pressure is a positive pressure. Hence, the correct answer is option b.

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