See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

[P] can be O O C H2 and O O C H3 (Two structural isomers) O O C H2 [R] 1. aq.NaOH 2. H  C H2 C OH CH2 C O OH C H3 C O CH2 C O OH 2 , CO  C H3 C O CH3 NaOH   P  Q C H3 C CH3 CH C O CH3 [S] O O C H3 1. aq.NaOH 2. H  C H3 C OH CH C O OH C H3 C O CH2 C O OH 2 , CO  C H3 C O CH3 NaOH  C H3 C CH3 CH C O CH3  P  Q  R  S