See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

     3 2 3 2 2 2 6 5 AlCl H O Al H O Al H O OH H                3 2 3 3 BCl 3H O H BO 3HCl      2 6 2 3 3 2 B H H O H BO H Acid    Alums contains 3 3 3 Al or Cr or Fe    ions whose aqueous solution is strongly acidic. Also, in 2 6 B H , there is 3c-2e bond formation in which vacant 2p-orbital of ‘B’ is also involved in sp3-hybridisation. AITS-OT-I (Paper-1)-PCM(Sol.)-JEE(Advanced)/2023 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 10