During an acid-base titration phenolphthalein i... - SS3 Chemistry Analytical Chemistry II: Quantitative Analysis Question
During an acid-base titration, phenolphthalein is commonly used as an indicator. What colour change is observed when the endpoint is reached in an acid-base titration using phenolphthalein?
A
From pink to colourless
B
From colourless to pink
C
From yellow to orange
D
From colourless to yellow
correct option: b
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