ChemistryMedium64×since 2004Q1760A compound 'X\mathrm{X}X' when treated with phthalic anhydride in presence of concentrated H2SO4\mathrm{H}_{2} \mathrm{SO}_{4}H2SO4 yields 'Y\mathrm{Y}Y'. 'Y\mathrm{Y}Y' is used as an acid/base indicator. 'X\mathrm{X}X' and 'Y\mathrm{Y}Y' are respectivelyAToludine, PhenolphthaleinBCarbolic acid, PhenolphthaleinCSalicylaldehyde, PhenolphthaleinDAnisole, methyl orangeCheck answerSkip