AP EAMCET Medical 25 Sep 2020 Shift 2 Paper

Two moles of compound (A) on treatment with a strong base gives two compounds (B) and (C). The compound (B) on dehydrogenation with Cu gives (A) while acidification of (C) givesa carboxylic acid (D) having empirical formula CH2O2 . Identify (A) and (D).