`K_b` of an acid-base indicator is `1.0 × 10^(-9).` Its `10^(-3) M` solution shows the color change at `pH`

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Q 1149734613.     `K_b` of an acid-base indicator is `1.0 × 10^(-9).` Its `10^(-3) M` solution shows the color change at `pH`
A

`5.0`

B

`8.0`

C

`7.0`

D

`4.0`

HINT


Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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