Transition element colours

Enter the colour of each of these chemicals. Add P at the end if it is a solid precipitate
Quiz by nH0lmes
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Last updated: May 29, 2022
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First submittedMay 20, 2022
Times taken19
Average score47.6%
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Hint
Answer
[Cr(H2O)6]3+
Violet
Cu(OH)2
Pale Blue P
I-/Fe3+ --> I2/Fe2+
Orange brown to Brown
[CuCl4]2-
Yellow
[Cr(NH3)6]3+
Purple
Cu+ (reduction of Cu2+ with I-)
Brown solution + White P
(CR2O7)2-
Orange
Cu2+ / Cu
Blue + Brown P
Fe(OH)2
Dark green P
[Cr(OH)6]3-
Dark green
[CoCl4]2-
Blue
Cr(OH)3
Dark green P
[Fe(H2O)6]2+
Pale green
(MnO4)-/Fe2+ --> Mn2+/Fe3+
Purple to Pale pink
[Cu(NH3)4(H2O)2]2+
Dark Blue
(CrO4)2-
Yellow
[Mn(H2O)6]2+
Pale Pink
[Fe(H2O)6]3+
Yellow
Mn(OH)2
Pale brown P
Fe(OH)3
Rusty brown P
[Cu(H2O)6]2+
Pale Blue
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