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Topic: Transition metal rainbow  (Read 2172 times)

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Offline Mitch

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Transition metal rainbow
« on: November 22, 2014, 02:38:01 PM »
Left to right: CoCl2, K2Cr2O7, FeCl3, K2CrO4, NiCl2, CuSO4, (CoCl4)2-, TiCl3, and KMnO4
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Offline Arkcon

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Re: Transition metal rainbow
« Reply #1 on: November 22, 2014, 02:52:35 PM »
That is a nice rainbow.  I liked another arrangement I saw better -- it only showed the various anions of chromium.  You actually have in your array the sky-blue (CoCl4)2-, which I understand is a little bit harder to find than the others.  This sort of array comes in handy when a newer student expects a transition metal to have one one possible charge, like the other metals.
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Offline Corribus

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Re: Transition metal rainbow
« Reply #2 on: November 22, 2014, 09:19:31 PM »
Pretty, but it bothers me that each flask doesn't have the same volume of liquid.

Yeah, I've got a think for symmetry and order. :)
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