and both when dissolved in water containing ions the pair of species formed is:

Question

and  both when dissolved in water containing  ions the pair of species formed is:

Canvas Classes · Accepted Answer

🧠 The Competition for Iodide
When you drop  and  into a "pool" of  ions, they both want a piece of the action. But complex formation is a game of stability constants—and Mercury is a heavy-duty complex former.

🗺️ The Reaction Duel
1. Path 1 (Iodine): Iodine reacts with Iodide to form the well-known Triiodide ion ().
   
2. Path 2 (Mercury): Mercuric chloride reacts with Iodide to form a complex. Initially, it forms a red precipitate of , which then dissolves in excess Iodide to form the very

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