Exam 9: The D-Block Elements

Sulfur dioxide is removed from copper ores in the smelting of copper by the reaction SO₂(g) + CaO(s) $\rightarrow$ CaSO₃(s) What is the Lewis base in this reaction? What is the Lewis acid?

Consider the complexes fac- and mer-triaquatrichlororuthenium(III) chloride.Neither of these complexes is chiral.

Which of the following is diamagnetic?

All of the following complexes are high-spin except

Zinc is used to galvanize iron.Explain why a galvanized container should not be used to store sodium hydroxide.

How many oxidation states do most d-block elements have?

Which of the following complexes is (are) chiral?

What is the name of the complex [Cr(en)₂(OH₂)Cl]Cl₂?

Both Cu²⁺(aq)and Zn²⁺(aq)are colorless.

Why is $\Delta$ _T always less than $\Delta$ _O?

All of the following ligands are monodentate except

Most d-block elements have only one common oxidation state.

What is the name of the complex Na[Co(NH₃)₃Cl₃]?

Except for scandium and titanium,all the 3d transition metals form divalent ions in aqueous solution.

Which of the following complex ions is likely to absorb at 600-700 nm?

What is the d-electron configuration of the tetrahedral complex ion [FeCl₄]^-?

For the complex ion [Rh(NCS)₂(NH₃)₄]⁺ , how many different isomers of all types are possible?

The atomic radii of the Period 6 d-metals are

The ligand CN^- is a strong-field ligand because it is a ____________________ and Cl^- is a weak-field ligand because it is a ____________________.

There are two geometric isomers of tris(glycinato)cobalt(III).Neither of these isomers is chiral.