Q1 what happens when stannous sulfide treated with yellow ammonium sulfide ??
Q2 How can Co and NI be separated
Q3 How can Cu2+ and Cd2+ be separated ??
-
UP 0 DOWN 0 0 4
4 Answers
1Q1 first stannous sulfide dissolves...then on addition of H+, it forms stannic sulfide.
291. SnS is solube in (NH4)2S ..the reaction given by shreyan is right..
2. Ni and Co can be separated by DMG(dimethyl glyoxime) Ni forms red ppt with DMG..
3. Cu2+ and Cd2+ can be separated by K4[Fe(CN)6]...Copper forms a chocolate brown ppt..with K4[Fe(CN)6]