See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

O O O 2 Br , NaOH  O O O O O O 3 H O NaOH,CaO   AITS-FT-XI (Paper-1)-PCM(Sol.)-JEE(Advanced)/19 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 5 Mg, dry ether  Br MgBr 2 O  OMgBr 3 H O  OH Zn,   4 hot KMnO /OH H    HI/Red P  COOH COOH