See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

o o T T B T T B P x P x P x ,x mole fraction of Toluene and Benzene respectively.   = 67.525 mm of Hg = a When last trace of liquid will disappear then     B T 1 1 x vapour phase , x vapour phase 2 2   T B 0 0 T B x x 1 Then P P P   AITS-CRT-III (Paper-2)-PCM(Sol.)-JEE (Advanced)/2021 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 13