In qualitative analysis ,in order to detect second group basic radical, `H_(2)S` gas is passed in the presence of dil. HCl to

In qualitative analysis, in order to detect second group basic radical, HS gas is passed in the presence of dilute HCI to

The metal ions which are precipitated when H_(2)S gas is passed in the presence of dilute HCl is :

The metal ions which are precipitated when H_(2)S gas is passed in the presence of dilute HCl is :

A yellow precipitate obtained in II group of the qualitative analysis was soluble in aqueous NaOH and insoluble in dil. HNO_3 . This shows the presence of