Careers360 Logo
NEET Syllabus 2025 PDF (Released) by NTA- Download Updated NEET UG Syllabus

Reverse Osmosis : Its Definition and Working MCQ - Practice Questions with Answers

Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET

Quick Facts

  • 6 Questions around this concept.

Solve by difficulty

Osmotic pressure is

The osmotic expansion of a cell kept in water is chiefly regulated by:

Which of the following statements does not apply to reverse osmosis?
 

Concepts Covered - 0

Osmotic Pressure and Reverse Osmosis
  • 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.
  • It is represented by π (pie).
  • It is given by:
  • π = CRT
    • C is the concentration of the solution in mole per litre
    • R is the Gas Constant
    • ​​​T is the temperature in Kelvin
  • Hence, more the C of the solution, more will be the solutes and greater will be the endosmosis. So, more osmotic pressure will have to be applied.
  • As the temperature is raised, more amount of osmotic pressure will have to be applied.

Reverse Osmosis

  • Reverse osmosis occurs when a large amount of osmotic pressure is applied to the solution such that the pure solvent is pushed out of the solution.
  • This technique is used for the purification of water so that pure water is obtained from a solution of water and impurities.

"Stay in the loop. Receive exam news, study resources, and expert advice!"

Get Answer to all your questions

Back to top