Coordination CompoundHard

Question

CoCl3.4H2O is an anhydrous binary solute hence its Werner′s representation is :

Options

A.
B.
C.
D.none

Solution

Anhydrous binary compound will have all water molecules in coordination sphere so its formula will be [Co(H2O)4Cl2]Cl. Two Cl- will have dual behaviour i.e. they will act as primary valency as well as the secondary valency and third Cl- will satisfy only primary valency.

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