18. Aqueous Equilibrium
Acid-Base Indicators
Multiple Choice
Multiple ChoiceBromophenol blue (pKa = 4.1) is a common acid-base indicator. It is yellow in its acidic form and blue in conjugate base form. If the solution being titrated has a pH = 4.0, what color would the bromophenol blue indicator possess?
a) yellow b) orange c) blue d) green e) purple
A
yellow
B
orange
C
blue
D
green
E
purple
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