Considere o equilíbrio químico:
!$ [ Co (H_2 O)_6]^{2+}_{(aq)} + 4 Cl_{(aq)}^{-} \leftrightarrows [CoCl-4]^{2-}_{(aq)} + 6H_2 O_{(I)}\\Hexaaquocobalto\,(II)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,tetraclorocobalto\,(II)\\(Cor\,rosa)\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(Cor\,azul) !$
É CORRETO afirmar que:
