Zinc Iodide Formula
Zinc Iodide Formula
Zinc Iodide Formula is a compound of zinc and iodine with the molecular formula ZnI2. The Zinc Iodide Formula is a white solid that readily absorbs water from the atmosphere. It can be prepared directly by reacting zinc and iodine under reflux in ether. Learn more about the formula of zinc iodide, its properties, chemical structure, and uses in this short article.
The Zinc Iodide Formula is an inorganic compound consisting of one zinc atom and two iodine atoms. Its molecular formula is ZnI2. Zinc iodide is produced by reacting zinc and iodine under reflux in ether. Zinc iodide appears in the form of a white solid that readily absorbs atmospheric moisture. Zinc iodide exists in both anhydrous and dihydrate forms. The IUPAC name for zinc iodide is zinc diiodide.
Structure of Zinc Iodide
Zinc iodide compound is composed of the elements zinc and iodine. Zinc is a silver-grey, brittle metal in group 12 of the periodic table. The first element of group 12. Its atomic number is 30 and is represented by the symbol Zn. Zinc is one of the widely used metals. Iodine is a non-metallic, lustrous solid element in group 17 of the periodic table. Shown in dark grey. Its atomic number is 53 and is represented by the symbol I. In that group, Iodine is the most positive and least reactive element.
Preparation of Zinc Iodide
Zinc iodide is made by reacting zinc and iodine in refluxing ether or water. The chemical reaction of it is given below:
Zn + I2 ⇢ ZnI2
Zinc Iodide Properties
Zinc Iodide Formula appears in the form of a white powder. The molar mass/molecular weight of zinc iodide is 319.18 g/mol. The melting point of zinc iodide is 446 °C. The boiling point of zinc iodide is 1150 °C. The density of zinc iodide is 4.74 g/cm3.
Zinc Iodide Uses
Zinc Iodide Formula is used as a catalyst in the conversion of methanol to triptans. Zinc iodide is used as a radiopaque penetrant in industrial radiography.
Zinc iodide in combination with osmium tetroxide is used as a stain for electron microscopy.
Sample Questions
Question 1: Why is Zinc Iodide Formula used in industrial radiography?
Answer: Aqueous rechargeable zinc-halogen batteries contain an aqueous electrolyte solution containing zinc iodide/zinc bromide salts in both electrode components, hence it is utilised in industrial radiography.
Question 2: Is Zinc Iodide Formula an ionic or covalent compound?
Answer: Zinc iodide is an ionic compound. Ionic bonds are formed between opposite electrostatic charges. Zinc is a metal with two cations. Zn+2 and iodine are non-metals with negative ions. B.I-. Therefore, it is an ionic compound.
