expalin why Cu⁺ ion is not stable in aqueous solution?

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Solution

Cu²⁺ is more stable than Cu⁺ in aqueous medium. Cu²⁺ has a high hydration energy which compensates for the energy required to remove one electron from Cu⁺ to form Cu²⁺. So, in aqueous medium Cu⁺ gives Cu²⁺ and Cu ion.

2 Cu⁺ _(aq) â†’ Cu²⁺_(aq) + Cu _(s)

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