Quiz for Ligands

Q1: Which of the following is a monodentate ligand?

A. EDTA B. C2O4^2- C. NH3 D. en

Q2: Which ligand is bidentate?

A. NH3 B. H2O C. en D. Cl-

Q3: Which of the following is an ambidentate ligand?

A. CN^- B. H2O C. NH3 D. EDTA

Q4: EDTA is a _____ ligand.

A. Monodentate B. Bidentate C. Hexadentate D. Ambidentate

Q5: Which of the following ligands is neutral?

A. Cl^- B. CN^- C. H2O D. NO3^-

Q6: What is the charge on the oxalate ligand (C2O4)?

A. 0 B. -1 C. -2 D. -3

Q7: Which of the following ligands can form a chelate?

A. Cl^- B. H2O C. NH3 D. C2O4^2-

Q8: Which of the following is not a ligand?

A. NH3 B. H2O C. CO2 D. Cl^-

Q9: Ligands donate electrons to the metal center using:

A. sigma bonds B. pi bonds C. coordinate covalent bonds D. ionic bonds

Q10: Which of the following ligands is polydentate?

A. NH3 B. C2O4^2- C. Cl^- D. NO2^-

Q11: Which of the following is a neutral ligand?

A. CN^- B. SCN^- C. CO D. Cl^-

Q12: The denticity of ethylenediamine (en) is:

A. 1 B. 2 C. 4 D. 6

Q13: Ligands having more than one donor atom are called:

A. Monodentate B. Bidentate C. Polydentate D. Ambidentate

Q14: Which of these is an ambidentate ligand?

A. SCN^- B. NH3 C. C2O4^2- D. EDTA

Q15: Which of the following is not a polydentate ligand?

A. EDTA B. en C. C2O4^2- D. NO3^-

Q16: The ligand “en” stands for:

A. Ethanol B. Ethylenediamine C. Ethane D. Ethyne

Q17: Ligands which can bind in more than one way to a metal are called:

A. Bidentate B. Ambidentate C. Polydentate D. Unidentate

Q18: Which of the following ligand is a chelating agent?

A. Cl^- B. SCN^- C. H2O D. C2O4^2-

Q19: Which of the following is a negatively charged ligand?

A. NH3 B. H2O C. Cl^- D. CO