lab quiz 3

Cr(OH)3
green
FeS and NiS
black
Fe2S3
yellow-green
(NiCl4)2-
green
S
yellow
[Ni(NH3)6]2+
light blue
Ni(C4H7N2O2)
bright red
Fe(OH)3
brown
(FeSCN)2+
deep red
CrO42-
yellow
CrO5
dark blue
Cr3+
blue
Cr(OH)3
gray-green
BaCO3 and CaCO3
white
Ca2+ and Ba2+
colorless
CaCrO4
light yellow
CaC2O4
white
x

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