Which indicator could be used to titrate aqueous ammonia with CH3COOH?
Acid Range Color pH Range Basic Range Color
a. pink 1.2-2.8 yellow
b. blue 3.4-4.6 yellow
c. yellow 6.5-7.8 purple
d. colorless 8.3-9.9 red
e. none of these indicators
Answer: E
Chemistry
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