Iron(III) chloride: Iron(III) chloride, also called ferric chloride or iron perchloride, is an iron salt with the chemical formula FeCl3. It is a very hygroscopic compound, which emits vapors in humid air under the effect of hydrolysis. The dissolution reaction in water is very exothermic and forms a brown acidic solution.
This corrosive liquid is used to treat wastewater and water supply. It is also used for metallographic attacks on...
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