We are asked if a reaction occurs when an aqueous solution of NiCl2(aq) is added to a test tube containing strips of metallic zinc.
According to solubility rules:
▪ Cl-, Br-, and I- are soluble except when paired with Ag+, Pb2+, Cu+, Hg22+
So NiCl2(aq) dissociates as:
NiCl2(aq) → Ni2+(aq) + Cl-(aq)
Does a reaction occur when an aqueous solution of NiCl2(aq) is added to a test tube containing strips of metallic zinc?
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