Aqueous Solutions of a Compound Did Not Form Precipitates with Cl^-,Br^-,I^-,SO₄^2-,CO₃^2-,PO₄^3-,OH^-,or

Multiple Choice

Aqueous solutions of a compound did not form precipitates with Cl^-,Br^-,I^-,SO₄^2-,CO₃^2-,PO₄^3-,OH^-,or S^2-.This highly water-soluble compound produced the foul-smelling gas H₂S when the solution was acidified.This compound is ________.

A) Pb(NO₃) ₂
B) (NH₄) ₂S
C) KBr
D) Li₂CO₃
E) AgNO₃