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Which of the Following Indicators Is Most Suitable for the Titration

Question 121

Multiple Choice

Which of the following indicators is most suitable for the titration of a 25.00-mL sample of 0.140 M propionic acid,HC3H5O2,with strong base?


A) alizarin yellow (transition pH range: 10.0-12.0)
B) methyl red (transition pH range: 4.2-6.3)
C) methyl orange (transition pH range: 3.1-4.4)
D) thymol blue (transition pH range: 8.0-9.6)
E) bromothymol blue (transition pH range: 6.2-7.6)

Correct Answer:

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