Three isomers A, B and C (mol. formula C8H11N) give the following results: R has lower boiling point — JEE Mains Chemistry Past Papers Chemistry Question
Question
Three isomers A, B and C (mol. formula C8H11N) give the following results: R has lower boiling point than S B Cl SO H C alkali-insoluble product A, b and C, respectively are: | JEE MAIN-2020 | DATE : 03-09-2020 (SHIFT-2) | PAPER-2 | OFFICIAL PAPER | CHEMISTRY PAGE # 2
Answer: D
💡 Solution & Explanation
CH2–CH3 HNO2 NH2 0°C–5°C CH2–CH3 N2Cl (P) Hydrolysis CH2–CH3 OH KMnO4/H+ COOH OH (R) (A) C6H5SO2Cl CH2–NHCH3 Hinsberg reagent (B) Ph—CH2—N—S—Ph H3C O O Insoluble in alkali H2N HNO2 CH2–CH3 0°C–5°C N2Cl CH2–CH3 (P) H2O/H+ KMnO4/H+ HO COOH (S) HO CH2–CH3 (C) | JEE MAIN-2020 | DATE : 03-09-2020 (SHIFT-2) | PAPER-2 | OFFICIAL PAPER | CHEMISTRY PAGE # 3
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