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pi(1),pi(2),pi(3)andpi(4)are the osmotic...

`pi_(1),pi_(2),pi_(3)andpi_(4)`are the osmotic pressure of `5%((W)/(V))`solution of ure ,frutose ,sucrose andKCl respectively at certain temperatures.The correct order of their magnitude is

A

`pi_1 gt pi_4 gt pi_2 gt pi_3`

B

`pi_1 lt pi_4 lt pi_2 ltpi_3`

C

`pi_4 gt pi_1 gt pi_2 gt pi_3`

D

`pi_4 gt pi_1 gt pi_3 gt pi_2`

Text Solution

Verified by Experts

The correct Answer is:
C
Moles of urea `=5/60` , moles of fructose `=5/180`,
`"moles of surcose" = 5/342` ,
moles of KCl (effective) `=2xx5/74.5 = 5/37.25`
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