Question

Electron gain enthalpy value of 'Cu' is negative while that of Zn is positive. Explain.​

Answer 1

Answer:

Ec- of Cu is +0.34V while that of Zn is -0.76V . Explain. Solution : ... Negative E∘ for Zn ( more negative than expected value) is due to the fact that after removal of electrons from 4s orbital , stable 3d10 configuration is attained.