Multiple Choice
Which of the following indicators would be most suitable for the titration of 0.10 M (CH3) 3N(aq) with 0.10 M HClO4(aq) ? For trimethyamine,PKb = 4.19.
A) Bromothymol blue (pKIn = 7.1)
B) Alizarin yellow (pKIn = 11.2)
C) Bromocresol green (pKIn = 4.7)
D) Tthymol blue (pKIn = 1.7)
E) Phenolphthalein (pKIn = 9.4)
Correct Answer:

Verified
Correct Answer:
Verified
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