Colour of ions and compounds?

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Colour of ions and compounds?

I am doing an assignment and I need to know the colours of these aqeous solutions:

Fe 3+
OH -
FeCl4 -
Co(H2O)4Cl2
CrO4 2-
Cr2O7 2-
Cu 2+
Cu(NH3)4 2+

I've tried looking through my textbooks, but I can't find them... please help!

2007-03-04 10:40:18 · 1 answers · asked by winterdarkrain 1 in Science & Mathematics ➔ Chemistry

1 answers

yellow
(water white)
pale green
pink or pastel blue ( that's a tricky one!)
yellow
orange
greenish-blue
electric-blue!

2007-03-04 10:48:01 · answer #1 · answered by steve_geo1 7 · 0⤊ 0⤋