A colourless aqueous solution contain nitrates of two metal, when it is added to an aqueous solution of NaCl, a white precipitate ws formed. This precipitate was found to be partially soluble in hot water to give a residue P and a solution Q. The residue P was solublein aq. in NH3 and also in excess sodium thiosulfate. The hot solution Q gave a yellow precipitate with KI. The metals X and Y, respectively, are:

A colourless aqueous solution contain nitrates of two metal, when it i

1.	A colourless aqueous solution contain nitrates of two metal, when it is added to an aqueous solution of NaCl, a white precipitate ws formed. This precipitate was found to be partially soluble in hot water to give a residue P and a solution Q. The residue P was solublein aq. in NH3 and also in excess sodium thiosulfate. The hot solution Q gave a yellow precipitate with KI. The metals X and Y, respectively, are:
Answer» A colourless aqueous solution contain nitrates of two metal, when it is added to an aqueous solution of $N a C l$ , a white precipitate ws formed. This precipitate was found to be partially soluble in hot water to give a residue $P$ and a solution $Q$ . The residue $P$ was solublein aq. in $N H_{3}$ and also in excess sodium thiosulfate. The hot solution $Q$ gave a yellow precipitate with $K I$ . The metals $X$ and $Y$ , respectively, are: