Practice Formation of Complexes - 2.5 | Chapter 8: The d- and f-Block Elements | ICSE Class 12 Chemistry
K12 Students

Academics

AI-Powered learning for Grades 8–12, aligned with major Indian and international curricula.

Academics
Professionals

Professional Courses

Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.

Professional Courses
Games

Interactive Games

Fun, engaging games to boost memory, math fluency, typing speed, and English skillsβ€”perfect for learners of all ages.

games

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a ligand?

πŸ’‘ Hint: Think about what binds to metals.

Question 2

Easy

What are the most common coordination numbers for transition metals?

πŸ’‘ Hint: Recall the shapes associated with these numbers.

Practice 4 more questions and get performance evaluation

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

πŸ’‘ Hint: Recall the nature of substances that attach to metals.

Question 2

What is the typical coordination number for octahedral complexes?

  • True
  • False

πŸ’‘ Hint: Consider the number of ligands in an octahedron.

Solve 2 more questions and get performance evaluation

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.

πŸ’‘ 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.

πŸ’‘ Hint: Think about how electrons behave in d-orbitals under visible light.

Challenge and get performance evaluation