Mixed Perhalides of Barium

The behaviour of iodine towards solutions of barium chloride, bromide, and iodide is similar to that of the corresponding calcium and strontium compounds. The following solubility data have been obtained: -

Solvent	Water	10 per cent, solutions of
		BaCl2	BaBr2	BaI2
Grams iodine per 100 grams solvent.	0.0142	0.067	0.231	6.541
Temperature, °C.	Ordinary temp.	18.5	13.5	13.5