Multiple Choice
Which of the following indicators would be the best to use when 0.050 M benzoic acid (Ka = 6.6 10-5) is titrated with 0.05 M NaOH?
A) bromphenol blue,pH range: 3.0-4.5
B) bromcresol green,pH range: 3.8-5.4
C) alizarin,pH range: 5.7-7.2
D) phenol red,pH range: 6.9-8.2
E) phenolphthalein,pH range: 8.0-10.1
Correct Answer:
Verified
Correct Answer:
Verified
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