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A weak monobasic acid is 1% ionized in 0...

A weak monobasic acid is 1% ionized in 0.1 M solution at `25^@`C. The percentage of ionization in its 0.025 M solution is :

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
B
`HAhArrH^(+)+A^(-)`,
`K=Calpha^(2)=0.1xx((1)/(100))^(2)=10^(-5)`
When `C=0.025,alpha=sqrt((K)/(C))=sqrt((10^(-5))/(0*025))=0*02`
`:.%" ionization "=2%`.
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