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Zinc powder is added to a solution of iodine in ethanol. An exothermic redox reaction occurs, forming zinc iodide, which can be obtained by evaporating the solvent. Zn + I 2 → ZnI 2. The experiment can be extended to show the decomposition of a compound into its elements.
Word Equation. Zinc + Iodine = Zinc Iodide. Zn + I = ZnI2 is a Synthesis reaction where one mole of Zinc [Zn] and two moles of Iodine [I] combine to form one mole of Zinc Iodide [ZnI 2]
1 Σεπ 1995 · The purpose of this article is to discuss two colorful reactions not widely used by chemical educators in high schools or college chemistry laboratories: The synthesis of zinc iodide from its...
Word Equation. Diiodine + Zinc = Zinc Iodide. I2 + Zn = ZnI2 is a Synthesis reaction where one mole of Diiodine [I 2] and one mole of Zinc [Zn] combine to form one mole of Zinc Iodide [ZnI 2]
ZnI2 = Zn + I is a Decomposition reaction where one mole of aqueous Zinc Iodide [ZnI 2] decomposes into one mole of solid Zinc [Zn] and two moles of solid Iodine [I] Reaction Type. Decomposition. Net Ionic Equation. ZnI2 (aq) = Zn (s) + 2I (s) might be an ionic reaction. Calculate the net ionic equation for ZnI2 (aq) = Zn (s) + 2I (s).
15 Φεβ 2018 · Zinc and iodine, when mixed with distilled water in a test tube, will react spontaneously and exothermically to produce aqueous zinc iodide. The aqueous zinc iodide can be decomposed into its elements using a simple electrolysis apparatus.
The reaction of zinc metal with iodine shows direct combination, decomposition, recrystallization of sublimed I2, and electrolysis. Zn(s) + I 2 (s) → No Reaction Zn(s) + I 2 (s) H 2 O→ ZnI 2 (aq)
