Exam 23: Transition Elements and Their Coordination Compounds

Consider the following structures (1 and 2 are octahedral; 3 and 4 are square planar). Which one of the following statements about the above structures is correct?

Which of the following ions could exist in only the high-spin state in an octahedral complex?

The most common oxidation state for ions of the transition elements is

The permanganate ion (MnO₄^-) is a powerful reducing agent.

Which of the following ligands is most likely to form a low-spin octahedral complex with iron(III)?

How many unpaired electrons will there be in a high-spin octahedral complex of Fe(II)?

The crystal field splitting energy, Δ,

The most common oxidation state for ions of the inner transition elements is

Which of the following complexes could have isomeric forms?

Which of the following transition elements can achieve the largest oxidation number?

Which of the following will be paramagnetic?

Give the systematic name for [CoCl₃(H₂O)]^-.

The conversion of the chromate ion (CrO₄^2-) to the dichromate ion (Cr₂O₇^2-) is a redox process.

According to valence bond theory, what would be the set of hybrid orbitals used when a Period 4 transition metal forms a tetrahedral complex?

Which of the following will be the strongest oxidizing agent?

The compound K₃[Fe(CN)₆] is used in calico printing and wool dyeing. Give its systematic name.

A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state the element be most likely to form an ionic bond with chlorine?

If M represents a transition element, which of the following oxides should be the least basic?

Which of the following is considered a bidentate ligand?

Give the systematic name for Cr(CO)₃(NH₃)₃.