See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

HIn H In      For More Material Join: @JEEAdvanced_2024 AITS-CRT-II (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 7           a H In H base K HIn Acid Acid or, H Ka Base                     For 75% red, 5 5 Ka 75 3 10 75 H 9 10 ; pH