pH of 0.1M solution HCl is changed by 0....

`pH` of `0.1M` solution `HCl` is changed by `0.3` unit due dilution, calculate change in osmotic pressure if temperature of solution is `300K. (R = 1//12" " "litre atm"//K//"mole")`

A

`2.5atm`

B

`5 atm`

C

`7.5 atm`

D

`1.25 atm`

Verified by Experts

The correct Answer is:

B

`DeltaPi = I(DeltaC) RT`
`= 2xx(0.1-0.05)xx (1)/(12)xx300`
`=0.1 xx (1)/(12)xx300 = (5)/(2) = 2.5atm`

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