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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`

Text Solution

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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Knowledge Check

  • The osmotic pressure of 0.2 molar solution of urea at 300 K(R = 0.082) litre atm mol^(-1)K^(-1) is

    A
    4.92 atm
    B
    1 atm
    C
    0.25 atm
    D
    27 atm

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    A
    `10.8` atm
    B
    `12.7` atm
    C
    `5.6 ` atm
    D
    None of these

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