JEE Mains 8-Apr-2023 Shift 2 Solved Paper

Section: Chemistry
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Question : 79 of 90
 
Marks: +1, -0
A compound ' X ' when treated with phthalic anhydride in presence of concentrated H2SO4 yields ' Y ' ' Y ' is used as an acid/base indicator. ' X ' and ' Y ' are respectively:
[8-Apr-2023 shift 2]
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