A) methyl orange
B) salicylic acid
C) phenol red
D) phenolphthalein
Correct Answer: D
Solution :
Phthalien reaction (phthalein condensation) phenol\[+\]phthalic anhydride\[\xrightarrow[{}]{{}}\]HPh phenophthalien. HPh acts as indicator.You need to login to perform this action.
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