Practice Formation of Complexes - 2.5 | Chapter 8: The d- and f-Block Elements | ICSE Class 12 Chemistry
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Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a ligand?

💡 Hint: Think about what binds to metals.

Question 2

Easy

What are the most common coordination numbers for transition metals?

💡 Hint: Recall the shapes associated with these numbers.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is a ligand?

  • A type of metal
  • A molecule that donates electrons
  • A color indicator

💡 Hint: Recall the nature of substances that attach to metals.

Question 2

What is the typical coordination number for octahedral complexes?

  • True
  • False

💡 Hint: Consider the number of ligands in an octahedron.

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Challenge Problems

Push your limits with challenges.

Question 1

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.

Question 2

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.

Challenge and get performance evaluation