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An electrolyte A gives 3 ions and B is a...

An electrolyte A gives 3 ions and B is a non-electrolyte. If 0.1 M solution of B produces an osmotic pressure P, then 0.05 M solution of A will produce an osmotic pressure, assuming that the electrolyte is completely ionised :

A

0.02p

B

0.8p

C

0.4p

D

0.6p

Text Solution

Verified by Experts

The correct Answer is:
B
For two solutions .
`(pi(A))/(pi(B)) = (c(A))/(c(B))`
`c (B) = 0.1 M, c (A) = 0.02 xx 4 = 0.08 M`
`(pi(A))/(p) = (0.08)/(0.1) = 0.8`
` therefore pi(A) = 0.8p`
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