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Which of the Following Indicators Would Be Most Suitable for the Titration

Question 266

Multiple Choice

Which of the following indicators would be most suitable for the titration of 0.10 M lactic acid with 0.10 M KOH(aq) ? For lactic acid, pKa = 3.08.


A) Methyl orange (pKIn = 3.4)
B) Thymol blue (pKIn = 1.7)
C) Alizarin yellow (pKIn = 11.2)
D) Bromophenol blue (pKIn = 3.9)
E) Phenol red (pKIn = 7.9)

Correct Answer:

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