Accomplish the following to give a valence bond description of [Fe(H₂O)₂F₄]^2- (high-spin):
i. Sketch the orbital diagram for the free metal ion and the orbital diagram for the metal ion in the coordination complex.
ii. Determine the hybrid orbitals used by the metal.
iii. Count the number of unpaired electrons.

• A. i.ii. sp³d²iii. 0 unpaired electrons
• B. i.ii. sp³d²iii. 4 unpaired electrons
• C. i.ii. d²sp³iii. 0 unpaired electrons
• D. i.ii. d²sp³iii. 0 unpaired electrons