Transition metals

What is the electronic configuration of a transition metal?

• Completely filled d-orbitals

• Partially filled d-orbitals

• Empty d-orbitals

• Completely filled f-orbitals

Which element is NOT considered a transition metal?

• Iron (Fe)
  
  

• Zinc (Zn)
  
  

• Copper (Cu)

• Titanium (Ti)
  
  

What is a characteristic property of transition metals?

• High reactivity with water

• Formation of colored compounds
  
  

• Poor electrical conductivity
  
  

• Limited oxidation states

What is a complex ion?

• A central metal ion bonded to ligands

• An atom surrounded by non-metal atoms

• A neutral molecule containing a transition metal
  
  

• A simple cation of a transition metal
  
  

Which of the following is an example of a unidentate ligand?

• Ethylene diamine

• EDTA
  
  

• Ammonia (NH₃)

• Carbonate ion (CO₃²⁻)

What shape is most common for a complex with six ligands?

• Tetrahedral
  
  

• Linear

• Square planar
  
  

• Octahedral

Which factor primarily causes color in transition metal complexes?

• Shape of the molecule
  
  

• Presence of unpaired electrons in the s-orbital

• Electronic transitions between d-orbitals
  
  

• Absorption of UV light
  
  

What is used to determine the concentration of a colored solution of a transition metal complex

• Titration

• Chromatography
  
  

• Spectrophotometry
  
  

• Electrolysis
  
  

Which transition metal has a stable oxidation state of +7?

• Iron (Fe)
  

• Manganese (Mn)

• Copper (Cu)

• Chromium (Cr)

Why are transition metals effective as catalysts?

• They can easily gain and lose electrons

• They have a high atomic mass

• They can easily gain and lose electrons

• They are highly reactive with water