Which of the following species must have maximum number of electrons in ' $d_{x y}$ ' orbital ?

Question

Professor PC Thomas Classes · Answer

(c) (a) $\mathrm{Cr}: 4 s^1 3 d^5$ (each $d$-orbital has $1 e^{-}$) \(b)$\mathrm{Fe}^{3+}: 4 s^0 3 d^5 \quad$ (each $d$-orbital has $1 e^{-}$) \(c)$\mathrm{Cu}^{+}: 4 s^0 3 d^{10} \quad$ (each $d$-orbital has $2 e^{-}$)