Solutions
of tin ( II) chloride can also serve simply as a source of Sn 2+ ions, which can
form other tin (II) compounds via precipitation reactions, for example brown
(or black) tin (II) sulfide:
Unfortunate Confrontation
with ÒLe PewÓ
SnCl2(aq) + Na2S(aq) → SnS(s) + 2
NaCl(aq)
stannous sulfide (′stanáəs ′səl′fīd) SnS Dark crystals; insoluble in water, soluble (with decomposition) in concentrated hydrochloric acid; melts at 880¡C; used as an analytical reagent and catalyst, and in bearing material.
Also known as
tin monosulfide; tin protosulfide; tin sulfide.