pH of `0.1` M monobasic acid is found to be 2 . Hence its osmotic pressure at a given temp. T K is :

Options

A. `0.1 RT`
B. `0.11 RT`
C. `1.1 RT`
D. `0.01 RT`

Answer

A

Explanation

`pH=2`
`[H^(o+)]=0.01 M =Cx=0.1x`
x=0.1
`i=1 + x=1.1`
`pi=i(n/V)RT=iMRT = 1.1 xx 0.1RT =0.11 RT`