Question

Hydrogen Sulphide gas was bubbled into two solutions of metallic nitrates as shown in the flow diagram below

1. Identify the black solid C
2. Write an ionic equation for the formation of the green solution 
3. State the property of Hydrogen Sulphide shown by the formation of solution D

Answer 1

1. Identify the black solid C 
   • Copper(II) Sulphide.  
2. Write an ionic equation for the formation of the green solution (
   • Fe³⁺_(aq)→Fe²⁺_(aq)+e^-
3. State the property of Hydrogen Sulphide shown by the formation of solution D 
   • Reducing agent