(NH4)2S (aq) ˖ Hg(NO3)2 (aq) → HgS (s) ˖ 2NH4NO3 (aq), exchange reaction and precipitation reaction
The unbalanced reaction: (NH₄)₂S, and Hg(NO₃)₂ → HgS and NH₄NO₃
Balanced equation for the reaction: (NH₄)₂S ˖ Hg(NO₃)₂ → HgS ˖ 2NH₄NO₃
States for each compound: (NH₄)₂S (aq) ˖ Hg(NO₃)₂ (aq) → HgS (s) ˖ 2NH₄NO₃ (aq)
(NH₄)₂S is Ammonium Sulphide and it is aqueous.
Hg(NO₃)₂ Mercuric nitrate and it is aqueous.
HgS Mercury Sulphide, is a black or red crystalline solid
2NH₄NO₃ Ammonium Nitrate is aqueous
The type of reaction seen here is exchange reaction and precipitation reaction
During exchange reactions, cations and anions that were companions in the reactants switch positions in the products.
Precipitation processes occur when cations and anions in an aqueous solution interact to produce a precipitate, an insoluble ionic solid.
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