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The osmotic pressure of equimolar soluti...

The osmotic pressure of equimolar solutions of urea, `BaCl_(2)` and `AlCl_(3)` will be in the order

A

`AlCl_(3) gt BaCl_(2) gt Urea`

B

`BaCl_(2) gt AlCl_(3) gt Urea`

C

`"Urea" gt BaCl_(2) gt AlCl_(3)`

D

`BaCl_(2) gt "Urea" gt AlCl_(3)`

Text Solution

Verified by Experts

The correct Answer is:
A
The particle conc. Of `AICI_(3)` solution will be maximum due to ionisation less in `BaCI_(2)` and minimum in urea.
`AICI_(3) rarr AI^(3+) +3CI^(-)`
`BaCI_(2) rarr Ba^(2+)+2CI^(-)`
More the number of particles in solution more is the osmotic pressure a coligative property.
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