20. Which is the correct splitting pattern of d orbitals for [CuCl₅]^3-energetically?
(A) d_xz = d_yz ＜ d_z² ＜ d_xy ＜ d_x²-_y²
(B) d_xz = d_yz＜ d_xy＜ d_z² ＜ d_x²-_y²
(C) d_xz = d_yz ＜ d_x²-_y² = d_xy ＜ d_z²
(D) d_xy = d_x²-_y² = d_xz= d_yz ＜ d_z²

[CuCl5]3− 在配位場理論（C...