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CBSE Class 12-science Answered

why Cu+ unstable in aquous state but Cu2+ is stable?
Asked by kanwal sandhu | 21 Jan, 2012, 08:12: PM
Expert Answer

In an aqueous medium, Cu2+ is more stable than Cu+. This is because although energy is required to remove one electron from Cu+ to Cu2+, high hydration energy of Cu2+ compensates for it. Therefore, Cu+ion in an aqueous solution is unstable. It disproportionates to give Cu2+ and Cu.

    

Answered by | 22 Jan, 2012, 11:23: AM
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