The pH value of `M//1000` soution of KOH is water is
The pH value of `M//1000` soution of KOH is water is
A. 3
B. 6
C. 11
D. 9
4 views
1 Answers
Correct Answer - C
`[OH^(-)]=[KOH]=M//1000=10^(-3)M`
`[H^(+)]=(K_(w))/([OH^(-)])=(10^(-14))/(10^(-3))=10^(-11)`
`pH=-log[H^(+)]=-log 10^(-11)=11`
4 views
Answered