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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.
The iodide moves towards the electrode connected to the positive pole, the anode. Electrons are accepted by the zinc ions, the iodide ions give away electrons.
Decomposition Reaction: ZnI 2 → Zn + I 2. The compound also interacts with strong bases, such as sodium hydroxide, to form zinc hydroxide and sodium iodide. Reaction with Sodium Hydroxide: ZnI 2 + 2NaOH → Zn (OH) 2 + 2NaI.
This method separates the reaction into two half-reactions – one for oxidation and one for reduction. Each half-reaction is balanced separately and then combined. Best for: complex redox reactions, especially in acidic or basic solutions.
Zinc iodide is the inorganic compound with the formula ZnI 2. It exists both in anhydrous form and as a dihydrate. Both are white and readily absorb water from the atmosphere. It has no major application. Preparation. It can be prepared by the direct reaction of zinc and iodine in water [1] or in refluxing ether.
It can be prepared by the direct reaction of zinc and iodine in water or in refluxing ether. or by treating zinc with iodine in aqueous solution: Zn + I 2 → ZnI 2.
1 Σεπ 2021 · At the working state of Zn-iodine RFBs, the I − reverse conversion to I 3− at the cathode and the Zn 2+ reverse conversion to Zn at the anode are the redox couple species for energy conversion vehicles, in which the cation and anion are usually soluble in water and flow in the pips driven by pumps.
