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The pH value of M//1000 soution of KOH i...

The pH value of `M//1000` soution of KOH is water is

A

3

B

6

C

11

D

9

Text Solution

Verified by Experts

The correct Answer is:
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`
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