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Topic: What are the ionic species that exist when copper sulfate is dissolved in wat  (Read 3077 times)

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Offline 1forest1

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What are the ionic species that exist when copper sulfate is dissolved in wat
« on: November 20, 2017, 06:24:54 AM »
What are the ionic species that exist when copper sulfate is dissolved in water?
Is it copper(II) hexaaqua ions (octahedral) and sulfate ions?


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Offline Flatbutterfly

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Re: What are the ionic species that exist when copper sulfate is dissolved in wat
« Reply #1 on: November 21, 2017, 11:45:55 PM »
Cu^2+ (aq) is indeed [Cu(H2O)6]^2+ ; the coordination geometry however is a tetragonally distorted octahedron.  The Cu-O bonds are lengthened due to Jahn-Teller distortion (due to its d^9 electronic configuration)
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Offline Borek

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Re: What are the ionic species that exist when copper sulfate is dissolved in wat
« Reply #2 on: November 22, 2017, 02:49:12 AM »
Let's not forget water autodissociation and hydrolysis of the ions present.
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