Coordination Compounds Quiz

What are coordination compounds primarily formed from?

• Metal atoms and ligands

• Covalent bonds

• Ionic bonds

• Hydrogen bonds

Who was the first to formulate the theory of coordination compounds?

• Alfred Werner

• Linus Pauling

• Marie Curie

• Dmitri Mendeleev

What is the coordination number of a metal ion in a complex?

• Number of oxidation states

• Number of electrons in the outer shell

• Number of ligands attached

• Number of protons in the nucleus

Which of the following is a homoleptic complex?

• [Co(NH3)6]3+

• [Co(NH3)4Cl2]+

• [Co(NH3)4(NO2)2]

• [CoCl2(NH3)4]

What type of isomerism arises from different spatial arrangements of ligands?

• Coordination isomerism

• Linkage isomerism

• Stereoisomerism

• Structural isomerism

Which of the following ligands is considered bidentate?

• H2O

• NH3

• C2O4^2–

• Cl–

What is the oxidation number of cobalt in [Co(NH3)6]3+?

• +3

• 0

• +2

• +4

Which of the following complexes exhibits optical isomerism?

• [PtCl2(en)2]2+

• [Ni(CO)4]

• [CoCl2(NH3)4]+

• [Co(NH3)6]3+

What is the term for ligands that can bind through more than one donor atom?

• Unidentate

• Bidentate

• Polydentate

• Ambidentate

Which of the following is a characteristic of coordination compounds?

• They are always colorless

• They do not conduct electricity

• They can exhibit isomerism

• They are only soluble in organic solvents