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Assertion : $E_{{Cu}^{2 +} / Cu}^{0}$ is positive
Reason : The magnitude of hydration enthalpy of Cu²⁺ ion cannot compensate the sum of enthalpy of atomization, I.P₁ and I.P₂ of copper.

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A is true but R is false

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Detailed Solution

Endothermic nature of ${ΔH}_{atm} + {ΔH}_{{IE}_{1}} + {ΔH}_{{IE}_{2}}$ of ‘Cu’ dominates exothermic ${ΔH}_{hyd} of {Cu}^{2 +} ion$

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