Which of the following complex is an outer orbital complex?

Which of the following complexes is an outer orbital complex?

Which of the following complexes is an outer orbital complex ? (Atomic number : Mn =25 , Fe=26, Co=27, Ni=28)

Which of the following complex is outer orbital complex ?

Which one of the following complexes is outer orbital complex ?

Which one of the following complexes is an outer orbital complex or Which one of the following is an outer orbital complex and exhibits paramagnetic behaviour Atomic nos : ( Mn =25, Fe= 26 , Co= 27, Ni = 28)