See image — AITS & Test Series Chemistry Question

💡 Solution & Explanation

(for Q. 28 to 29):   2 H /H S A B Yellow ppt.   Only CdS and 2 3 As S are yellow CdS insoluble in Yellow Ammonium Sulphide 2 3 As S soluble in Yellow Ammonium Sulphide So, B is CdS   2 BaCl A C White ppt.  4 BaSO are white ppt. 4 BaSO Insoluble in mineral acids 3 BaSO soluble in mineral acids So, C is 4 BaSO 4 A is CdSO       3 HNO 2 1 3 CdS B Cd aq. S NO aq D       AITS-FT-IX (Paper-2)-PCM(Sol.)-JEE(Advanced)/22 FIITJEE Ltd., FIITJEE House, 29-A, Kalu Sarai, Sarvapriya Vihar, New Delhi -110016, Ph 46106000, 26569493, Fax 26513942 website: www.fiitjee.com 8        KCN excess 2 2 4 Cd aq K Cd CN D       Section – B