See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

      2 2 Ba OH s Ba aq 2OH aq      pH 12 pOH 2    2 i.e. OH 10      2 2 3 10 Ba 5 10 2            2 2 2 3 2 sp K Ba OH 5 10 10               7 5 10   AITS-OT-PCM(Sol.)-JEE(Main)/2021 Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 8