Question

Define osmotic pressure why does osmotic pressure become abnormal​

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Answer 1

Answer:

Osmotic pressure is a colligative property I.e. it depends upon number of particles of solute present in the solution. In case of solute which undergo association or dissociation, osmotic pressure is not normal ,it is more or less than the expected.

Answer 2

Osmotic Pressure:-

The extra pressure that must be applied to the soln component to prevent the flow of solvent into the solution when the two are separated by SPM. It is devoted by II.

Osmotic pressure be come abnormal due to-

(i) Association or dissociation of solute molecule in the soln.

(ii) Solutue is volatile

(iii) Solute become electolyte