To a nitrate salt solution of a metal, addition of dilute solution of HCl in cold condition results in formation of white coloured precipitate and no visible change is above formed precipitate. On the other hand. The above formed white precipitate dissolves in a saturated solution of KCl, giving a clear solution, formed above, initially a red precipitate (X) is formed, whch finally turned into black precipitate on passing H_(2)S(g) for long time. This black precipitate on treatment with boiling, concentrated X is most likely to be

To a nitrate salt solution of a metal, addition of dilute solution of

1.	To a nitrate salt solution of a metal, addition of dilute solution of HCl in cold condition results in formation of white coloured precipitate and no visible change is above formed precipitate. On the other hand. The above formed white precipitate dissolves in a saturated solution of KCl, giving a clear solution, formed above, initially a red precipitate (X) is formed, whch finally turned into black precipitate on passing H_(2)S(g) for long time. This black precipitate on treatment with boiling, concentrated X is most likely to be
Answer» `Ag_(3)SCL` `Pb_(2)SCl_(2)` `PbS_(2)` `Hg_(2)SCl_(2)` Answer :B