Account for the following :(a) Cu+ is unstable in an aqueous solution.

1.	Account for the following :(a) Cu+ is unstable in an aqueous solution.(b) Transition metals form complex compounds.
Answer» (a) Because Cu⁺undergoes disproportionation as 2Cu⁺ → Cu + Cu²⁺ Hydiation enthalpy of Cu²⁺is higher than that of Cu⁺ which Compensates the I.E.₂ of cu involved in the formation of Cu²⁺ ions. (b)Because of small size of metal, high ionic charge and availability of vacant d-orbital.

Account for the following :(a) Cu+ is unstable in an aqueous solution.(b) Transition metals form complex compounds.

Answer»

(a) Because Cu⁺undergoes disproportionation as 2Cu⁺ → Cu + Cu²⁺ Hydiation enthalpy of Cu²⁺is higher than that of Cu⁺ which Compensates the I.E.₂ of cu involved in the formation of Cu²⁺ ions.

(b)Because of small size of metal, high ionic charge and availability of vacant d-orbital.

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Account for the following :(a) Cu+ is unstable in an aqueous solution.(b) Transition metals form complex compounds.

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