Coordination Compounds Quiz Online Practice Test

1. Identify the coordination entity in the compound K₂[Zn(OH)₄]:

2. What is the term for the central atom or ion in a coordination complex?

3. In the compound K₃[Al(C₂O₄)₃], which species acts as the Lewis acid?

4. In the complex ion [CoCl(NH₃)₅]²⁺, what is the central atom or ion?

5. Among the following, which species cannot act as a ligand?

6. In EDTA⁴⁻, how many atoms can act as donors in binding to metal ions?

7. The coordination number is a defining feature of which component in a complex?

8. What is the coordination number of chromium in the complex K₃[Cr(C₂O₄)₃]?

9. In the compound K₄[Fe(CN)₆], which component forms the coordination sphere?

10. What is another term for the central atom or ion in a coordination complex?

11. In which of the following is the coordination number a defining characteristic?

12. Which of the following theories is not used to describe bonding in coordination compounds?

13. Which complex geometry can exhibit more than one type of hybridization?

14. Which statement about Valence Bond Theory (VBT) is inaccurate?

15. Which factor determines the position of ligands in the formula of a mononuclear coordination entity?

16. How is the charge of a charged coordinating entity typically indicated in its name?

17. What is the correct name for K₂[PdCl₄]?

18. What substance is commonly used for determining the hardness of water through a straightforward titration method?

19. In which biologically significant coordination molecule does magnesium serve as the central atom?

20. What is the classification of the complex ions [Co(NH₃)₅(NO₂)]²⁺ and [Co(NH₃)₅(ONO)]²⁺?