Exam 23: The Chemistry of the Transition Elements

The only compound containing copper in an ore is chalcopyrite, CuFeS₂. If a 91.0 g-sample of this ore contains 15.0 % of copper, what is the percentage of CuFeS₂ in the sample?

Phenanthroline (C₁₂H₈N₂) can bind to metal ions using both its ammine groups. It is referred to as a(n) ________ ligand, meaning it is "two-toothed."

Which element has the following ground state electron configuration? 3d 4s [Ar]

Which of the following is the coordination number of the transition metal ion in the complex [Cu(NH₃)₆]Cl₂?

What is a general formula for octahedral complexes that exhibit mer - fac isomerism? (M = metal; A, B and C = ligands)

Which of the following cations would be expected to be colorless in aqueous solution?

How many d electrons are present on the metal ion in the complex ion PtCl₆^2-?

Which of the following is not a characteristic of the transition metals?

What is the maximum oxidation state expected for vanadium?

Determine the number of unpaired electrons in the tetrahedral complex ion [Co(NH₃)₄]²⁺.

Copper ores are enriched to increase the percentage of copper by a process called _____.

How many unpaired electrons are found in the ground state electron configuration of bohrium (Bh)?

The spectrochemical series is an arrangement of

In which one of the following is the oxidation state of the underlined metal incorrect? Complex Ion Oxidation State of Underlined Metal

The white in most white paints comes from ________.

How many geometric isomers may exist for the square-planar complex ion [Pt(OH)₂(NH₃)₂]^2-?

What is the formula for potassium diamminetetrachlorovanadate(III)?

All of the following statements concerning ligand field theory are true EXCEPT

What is the number of unpaired electrons in an octahedral, low-spin Mn(II) complex?

The iron obtained from the blast furnace contains significant impurities of carbon, phosphorus, and sulfur and is called ____.