Question: Complete ionic and net ionic equation for: Ca 2+ and sodium iodide, Pb 2+ and sodium iodide, Zn 2+ and sodium iodide, Fe2+ and NH3,

Complete ionic and net ionic equation for: Ca2+ and sodium iodide, Pb2+ and sodium iodide, Zn2+ and sodium iodide, Fe2+ and NH3,

 

Aqueous ammonia solution was added dropwise then in excess to 1mL of X. Ions formed a dark green precipitate. (soluble in excess)

Potassium hydroxide solution was added dropwise then in excess to 1mL of X. Ions formed a light green precipitate. (soluble in excess)

Acidified silver nitrate solution was added to 1mL of X followed by ammonia. Ions formed a milky brown precipitate. (soluble in excess)

What is X?

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