These compounds are easiest to form when Y is fluorine. Bases are electron donors, and iodide is the largest, so it can donate electrons the easiest, hence it should be most basic.
Basicity comparison of halides Ask Question. Home Questions Tags Users Unanswered. A precipitate forms if the concentrations of the ions in solution in water exceed a certain value, unique to every compound.
The effect of adding the ammonia is to lower this concentration still further. This is a disproportionation reaction in which one-half of the chlorine atoms are oxidized to hypochlorite ions and the other half are reduced to chloride ions.
ClF 3 is so reactive that wood, asbestos, and even water spontaneously burn in its presence. The silver iodide is so insoluble that ammonia cannot lower the silver ion concentration enough for the precipitate to dissolve.
Learn about this topic in these articles: Fluorine is used in the manufacture of Teflon or poly tetrafluoroethylene , C 2 F 4 n which is used for everything from linings for pots and pans to gaskets that are inert to chemical reactions.
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The following equation illustrates this: All possible interhalogen compounds of the type XY are known. Large amounts of fluorine are also consumed each year to make the freons such as CCl 2 F 2 used in refrigerators. These acids are purified by taking advantage of the ease with which HF and HCl gas boil out of these solutions.