FeSO4 reacts with ammonium hydroxide to give dirty green precipitate of metallic hydroxide which is insoluble in excess of NH4OH . Name this precipitate.
Fe(OH)2
FeSO4 reacts with ammonium hydroxide to give ammonium sulphate along with dirty green precipitate of Fe(OH)2 which is insoluble in excess of NH4OH .
FeSO4+2NH4OH→(NH4)2SO4+Fe(OH)2↓