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Cu+ ion is unstable in aquous …

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Cu+ ion is unstable in aquous solution

 

  • 3 answers

Payal Singh 7 years, 2 months ago

Cu+ ion oxidizes and reduces simultaneously in aqueous solution to give Cu2+ and Cu+ ions. Therefore Cuion is unstable in aqueous solution and it disproportionates readily to Cu2+ and CuIons.

Naveen Sharma 7 years, 2 months ago

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.

 

Stability in aqueous conditions depends on hydration energy of ions when they bond to molecules. Cu2+ ions has greater charge density than cu+ ions and hence forms much stronger bonds releasing more energy.

Shruti Dadhwal 7 years, 2 months ago

Cu+ oxidises result in aqueous solution to Cu2+ and Cu. Cu2+ is more stable than Cu+ in aqueous solution as it has high hydration energy than Cu+.

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