Hexaammine cobalt iodide (III)

Hexaammine cobalt iodide
Hexaammine cobalt iodide
Are common
Systematic ; name	Hexaammine cobalt iodide (III)
Traditional names	hexaammine cobalt iodide
Chem. formula	[Co (NH 3 ) 6 ] I 3
Physical properties
condition	red crystals
Molar mass	541.83 g / mol
Density	2.746 g / cm³

Hexaammine cobalt (III) iodide is an inorganic compound, a complex amine salt of a cobalt metal and hydroiodic acid with the formula [Co (NH ₃ ) ₆ ] I ₃ , red crystals, it dissolves in water.

Content

Getting

The reaction of hexaammine cobalt (III) chloride and potassium iodide :

{\mathsf {[Co(NH_{3})_{6}]Cl_{3}+3KI\ {\xrightarrow {}}\ [Co(NH_{3})_{6}]I_{3}+3KCl}}

{\ displaystyle {\ mathsf {[Co (NH_ {3}) _ {6}] Cl_ {3} + 3KI \ {\ xrightarrow {}} \ [Co (NH_ {3}) _ {6}] I_ {3 } + 3KCl}}}

Physical Properties

Hexaammine cobalt (III) iodide forms red crystals of cubic syngony , space group F m3m , cell parameters a = 1.088 nm, Z = 4.

It is soluble in water, it is steady in air.

Chemical Properties

Literature

Inorganic Synthesis Guide: 6 Vol. / Ed. Brower, G. - Moscow : Mir, 1985 .-- V. 5 .-- 360 p.