A dye, phenolphtnalein is prepared by reacting phenol with phthalic an – InterviewSolution

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1.	A dye, phenolphtnalein is prepared by reacting phenol with phthalic anhydride in acidic medium. It give pnik colour in alkaline medium due to extended conjugation in a new complex formed (phthalein-dye test) identify the complex A:
Answer» None Answer :B

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