Why does Cu+
disproportionate?
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Copper as the metallic element has the configuration of:
[Ar] 3d¹⁰ 4s¹
It is the loss of this lone s orbital electron that allows for the formation of Cu+.
However, the energy required to ionize a second electron is not very large. The reasons behind this would require a lot of thermodynamic chemistry math. If a reaction can only supply enough energy for the first ionization then Cu+ is formed.
[Ar] 3d¹⁰ 4s¹
It is the loss of this lone s orbital electron that allows for the formation of Cu+.
However, the energy required to ionize a second electron is not very large. The reasons behind this would require a lot of thermodynamic chemistry math. If a reaction can only supply enough energy for the first ionization then Cu+ is formed.
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Explanation:
Why Cu+ is not stable in aqueous solution? When copper(I) compounds are dissolved in water, the copper I ions will disproportionate into blue copper II ions and copper atoms that appear as a brown coating on the bottom of the container.
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