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Chemistry Forums for Students => Undergraduate General Chemistry Forum => Topic started by: 1forest1 on November 20, 2017, 06:24:54 AM

Title: What are the ionic species that exist when copper sulfate is dissolved in wat
Post by: 1forest1 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?

Title: Re: What are the ionic species that exist when copper sulfate is dissolved in wat
Post by: Flatbutterfly 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)

Title: Re: What are the ionic species that exist when copper sulfate is dissolved in wat
Post by: Borek on November 22, 2017, 02:49:12 AM

Let's not forget water autodissociation and hydrolysis of the ions present.