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At what pH will a 10 −4 M solution of...

At what pH will a 10 −4 M solution of an indicator with K b ​ =1×10 −11 change colour?

Text Solution

Verified by Experts

The correct Answer is:
3
Indicator changes colour when
`pH =pKI_n , pH = 14 -11 =3`
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Knowledge Check

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