Consider Two Complexes: (I) [Fe(CN)₆]^4-, and (II) [Fe(H₂O)₆]²⁺

question 81

Multiple Choice

Consider two complexes: (I) [Fe(CN) ₆]^4-, and (II) [Fe(H₂O) ₆]²⁺. In view of the spectrochemical series, which one of the following sets of predictions is most likely correct?
Spectrochemical Series
I^- < Br ^- < Cl^- < F^- < OH^- < H₂O < NH₃ < NO₂^- < CN^- < CO

• A) I is low spin, II is high spin, and II absorbs light at the shorter wavelength.
• B) I is low spin, II is high spin, and I absorbs light at the shorter wavelength.
• C) I is high spin, II is low spin, and I absorbs light at the shorter wavelength.
• D) Both have 6 d electrons, so both are high spin.
• E) Both have 6 d electrons, so both are low spin.

---

Definitions:

Extraordinary Effort

An exceptional level of endeavor or dedication beyond what is typically required or expected, often aimed at achieving remarkable results or overcoming significant challenges.

Vroom-Jago Leader-Participation Model

A decision-making framework that helps leaders to choose how much participation their team members should have in the decision-making process.

Consult-With-Group Option

A decision-making process in which a leader consults a group for their opinions and inputs before making a final decision.

Facilitates Group Discussion

Helps in guiding and managing conversations within a group to promote effective communication and decision-making.