Equation:
O22- + I- ----> O2- + I2
They are not soluble, therefore they do not precipitate or form a color....a.k.a....no reaction...
The compound formed when lead reacts with iodine is lead(II) iodide, with the chemical formula PbI2.
When silver nitrate reacts with potassium iodide, a precipitation reaction occurs where silver iodide is formed. The balanced chemical equation for this reaction is: AgNO3 + KI -> AgI + KNO3. The silver iodide formed will appear as a yellow solid precipitate.
The correct formula for the product of lead(II) nitrate reacting with sodium iodide is lead(II) iodide, which has the formula PbI2. This is because lead(II) ions from lead(II) nitrate react with iodide ions from sodium iodide to form lead(II) iodide as the product.
Iron (III) iodide is the compound formed when iron reacts with iodine. Its chemical formula is FeI3.
When solutions of lead nitrate and potassium iodide are mixed, a yellow precipitate of lead iodide is formed. This reaction is a double displacement reaction where the lead from lead nitrate reacts with the iodide from potassium iodide to form the insoluble lead iodide.
An oxide is formed.
Aluminium iodide is the compound formed when aluminium reacts with iodine. The chemical formula for aluminium iodide is AlI3. It is a solid compound that is highly soluble in water and has a white color.
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Potassium iodide reacts similarly to sodium iodide, as both compounds are halides. They display similar chemical properties and reactivity when involved in reactions that involve iodine.
There will be no reaction between Hydrogen Iodide and sulphuric acid. If the acid are is dilute a soution of both will be formed, if the acid is concentrated these compounds are immiscible. hydrogen iodide and sulphuric acid are actually a product of a reaction (known as the Bunsen reaction) 2H2O + SO2 + I2 → H2SO4 + 2HI
When calcium reacts with iodine, calcium iodide is formed. This is a white crystalline solid that is soluble in water and has various industrial applications such as in the manufacturing of chemical compounds.