Practice Limitations of the Octet Rule - 4.1.5 | 4. CHEMICAL BONDING AND MOLECULAR STRUCTURE | CBSE 11 Chemistry Part 1
K12 Students

Academics

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

Professionals

Professional Courses

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

Games

Interactive Games

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

4.1.5 - Limitations of the Octet Rule

Enroll to start learning

You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.

Learning

Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is meant by 'incomplete octet'?

πŸ’‘ Hint: Think of elements with fewer than four valence electrons.

Question 2

Easy

Name two examples of odd-electron molecules.

πŸ’‘ Hint: Consider molecules with an uneven number of total electrons.

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 an incomplete octet?

  • An atom with eight electrons
  • An atom with fewer than eight electrons
  • An atom with more than eight electrons

πŸ’‘ Hint: Think about which elements can form stable compounds without completing the octet.

Question 2

True or False: Expanded octets are only seen in the second period elements.

  • True
  • False

πŸ’‘ Hint: Consider which elements can use d-orbitals.

Solve and get performance evaluation

Challenge Problems

Push your limits with challenges.

Question 1

Discuss how the limitation of the octet rule impacts the prediction of molecular stability in nitrogen oxides.

πŸ’‘ Hint: Think about how each of the oxygen states might differ.

Question 2

Many heavy elements reveal expanded octets; describe a scenario in coordination chemistry where this is relevant.

πŸ’‘ Hint: Focus on the geometry of the complexes formed.

Challenge and get performance evaluation