Qualitative Analysis of 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.

Tags

NGSS.HS-PS1-1

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.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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.