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0.5m solution of urea is isotonic with...

`0.5m` solution of urea is isotonic with

A

18% (m/v) solution of glucose

B

0.5 M solution of ` BaCl_(2)`

C

1M solution of surcose

D

1M solution of acetic acid

Text Solution

Verified by Experts

The correct Answer is:
A, C
Osmotic pressure of urea solution,
`C = 6 g// 100 cm^(3) = 60 g//L`
`pi` (urea) `= (60)/(60)RT = 1RT`
(a) C(glucose) ` = 18g// 100 cm^(3) = 180 g//l`
`pi` (glucose) `= (180)/(180) RT = 1RT`
(b) ` pi (BaCl_(2)) = 3 xx 0.5 RT = 1.5 RT (i=3)`
(c) `pi` (Sucrose) = 1RT = RT
(d) `pi` (acetic acid) ` = 2 xx 1 xx RT = 2RT (i=2)`
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