A colourless solid A dissolves in water. The aqueous solution gives a white precipitate B when NaOH or `NH_4` OH is added. B dissolves in excess of NaOH but not in excess of NH,OH. BaCl2 solution added to a solution of A gives a white precipitate C which is insoluble in dilute HCI. A may be 

Identify the cation in each of the following case Sodium hydroxide solution when added to solution C gives bluish white precipitate which is insoluble in excess.

A colourless crystalline salt 'x' is soluble in dilute HCl. On adding NaOH solution, it gives a white precipitate which is insoluble in excess of NaOH , 'x' is

Lime water in aqueous solution gives white precipitate by passing carbondioxide, but the precipatate dissolves in excess carbondioxide. Why?

Identify the cations in each of the following case : NaOH Solution when added to Solution (C) gives white ppt which is insoluble in excess.

Identify the cation in each of the following case Ammonium hydroxide solution when added to the solution B gives white precipitate which dissolves in excess

Identify the cations in each of the following case : NH_(4)OH Solution when added to the Solution (B) gives white ppt which does not dissolve in excess.

Identify the cations in each of the following cases: i] NaOH solution when added to the solution 'A' - gives a reddish brown precipitate. ii] NH_4OH solution when added to the solution 'B' - gives a white ppt which does not dissolve in excess. jii] NaOH solution when added to the solution 'C' - gives a white ppt which is insoluble in excess.

An aqueous solution of colourless metal sulphate M , gives a white precipitate with NH_(4)OH .This was soluble in excess of NH_(4)OH . On passing H_(2)S through this solution a white precipitate is formed.The metal M in the salt is: