The net ionic equation for formation of an aqueous solution of NiI₂ accompanied by evolution of CO₂ gas via mixing solid NiCO₃ and aqueous hydriodic acid is ________. A)2NiCO₃ (s)+ HI (aq)→ 2H₂O (l)+ CO₂(g)+ 2Ni²⁺ (aq) B)NiCO₃(s)+ I^-(aq)→ 2H₂O (l)+ CO₂ (g)+ Ni²⁺(aq)+ HI (aq) C)NiCO₃(s)+ 2H⁺ (aq)→ H₂O (l)+ CO₂(g)+ Ni²⁺(aq) D)NiCO₃(s)+ 2HI (aq)→ 2H₂O (l)+ CO₂(g)+ NiI₂(aq) E)NiCO₃(s)+ 2HI (aq)→ H₂O (l)+ CO₂(g)+ Ni²⁺ (aq)+ 2I^-(aq)

Question

Quizplus · Accepted Answer

The net ionic equation involves only the species that undergo a chemical change. NiCO₃ reacts with H⁺ ions to form Ni²⁺, CO₂ gas, and water.

The Net Ionic Equation for Formation of an Aqueous Solution