In the oxidative addition of trans-[IrCl(CO)(PPh3)2] with H2 (path A) and with CH3I (path B), the d-orbitals involved in the electron transfer from iridium to H2 and CH3l, respectively, are
1
dx2 - y2 (In A); dz2 (In B)
2
dz2 (In A); dxy or dxz or dyz (In B)
3
dxy or dxz or dyz (In A); dz2 (In B)
4
dz2 (In A); dx2- y2 (In B)