2.5 - Formation of Complexes
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Practice Questions
Test your understanding with targeted questions
What is a ligand?
💡 Hint: Think about what binds to metals.
What are the most common coordination numbers for transition metals?
💡 Hint: Recall the shapes associated with these numbers.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is a ligand?
💡 Hint: Recall the nature of substances that attach to metals.
What is the typical coordination number for octahedral complexes?
💡 Hint: Consider the number of ligands in an octahedron.
2 more questions available
Challenge Problems
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Given the metal ion Fe^3+ with two different ligands, NH₃ and Cl⁻, suggest possible complex formations and describe their coordination numbers.
💡 Hint: Consider the charges and the nature of possible ligands.
How would the formation of colored complexes be explained at the electronic level? Use the d-orbital concept in your explanation.
💡 Hint: Think about how electrons behave in d-orbitals under visible light.
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