What is the chemical formula of Cobalt VI chloride?

Answer 1

CoCl6 does not exist.

Common oxidation states of cobalt include +2 and +3, so two different chlorides are possible: CoCl2 and CoCl3 but the last one is rare.

(CoF3 (Co(III)-fluoride) is a better possibillity to prove this oxidation state)

Maximum oxidation state is +5, though Cobalt can easily 'coordinate' with in total 6 coordinative groups (=CG) and negative ions: Co(CG)4Cl2 (a coordinative group migh be a < -N| >-atom group of ammonia, ethylenediamine or haemoglobin)

Answer 2

CoCl is the formula of cobalt (I) chloride

Answer 3

The chemical formula of Cobalt VI chloride is CoCl3.