Multiple Choice
Which is the most appropriate acid-base indicator to use in the titration of 0.100 molar ammonia solution by 0.100 molar HCl(aq) ?
A) thymol blue, for which pKIn = 8.8; HInd is yellow and Ind- is blue
B) methyl orange, for which pKIn = 3.8; HInd is red and Ind- is yellow
C) thymolphthalein, for which pKIn = 9.9; HInd is colorless and Ind- is blue
D) cresol red, pKIn = for which 7.9; HInd is yellow and Ind- is red
E) All of the indicators listed will work equally well for the titration of a weak acid by a strong base.
Correct Answer:
Verified
Correct Answer:
Verified
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