6092 Chapter 11 Qualitative Analysis part I Cations

White precipitate is formed when a few drops of aqueous sodium hydroxide solution is added to a solution, the white precipitate remain insoluble in excess aqueous sodium hydroxide. Name the cation present in the solution.

White precipitate is formed when a few drops of aqueous sodium hydroxide solution is added to a solution, the white precipitate dissolved in excess aqueous sodium hydroxide and formed a colorless solution. Name one possible cation present in the solution.

No visible change observed when a few drops of aqueous sodium hydroxide solution is added to a solution, Upon warming the solution, gas evolved turn damp red litmus paper blue. Name the possible cation present in the solution.

light blue precipitate is formed when a few drops of aqueous ammonia is added into a solution. Light blue precipitate dissolved to formed dark blue blue solution when excess aqueous ammonia is added to the solution. Name the possible cation present in the solution.

Green precipitate is formed when a few drops of aqueous ammonia is added into a solution. Green precipitate remains insoluble when excess aqueous ammonia is added to the solution. Name the possible cation present in the solution.

Red-brown precipitate is formed when a few drops of aqueous ammonia is added into a solution. Red-brown precipitate remains insoluble when excess aqueous ammonia is added to the solution. Name the possible cation present in the solution.

No visible change observed when a few drops of aqueous sodium hydroxide solution is added to a solution, Upon warming the solution, gas evolved turn damp red litmus paper blue. Name the gas evolved.