aimnova.
DashboardMy LearningPaper MasteryStudy Plan

Aimnova site navigation

Stay in the loop

Get the latest study resources and updates

New features, study tips and exam insights — straight to your inbox.

IB Diploma

  • IB Past Papers
  • IB Study Notes
  • IB Question Bank
  • IB Mock Exams
  • IB Revision

IB Subjects

  • IB Math AA
  • IB Math AI
  • IB Economics
  • IB Business Management
  • IB Physics
  • IB Biology
  • View all IB subjects→

IB Past Papers

  • IB Math AA HL Past Papers
  • IB Math AA SL Past Papers
  • IB Math AI HL Past Papers
  • IB Math AI SL Past Papers
  • IB Economics HL Past Papers
  • IB Economics SL Past Papers
  • IB ESS Past Papers
  • View all past papers→

Study Resources

  • Study Notes
  • Question Bank
  • Mock Exams
  • Flashcards
  • Revision Guide
  • Exam Skills
  • Command Terms
  • Grade Calculator
  • Exam Timetable 2026

Aimnova

  • Features
  • Pricing
  • For Teachers
  • For Schools
  • For Parents
  • About Us
  • Blog
  • Contact
aimnova.

AI-powered study platform for smarter revision, past-paper analysis and examiner-style feedback.

TermsPrivacyCookies·© 2026 Aimnova. All rights reserved.70812b2

Aimnova is not affiliated with or endorsed by the International Baccalaureate Organization (IB).

NotesChemistryTopic 6.4
Unit 6 · Reactivity 3: What are the mechanisms of chemical change? · Topic 6.4

IB Chemistry — Electron-pair sharing reactions

Topic 6.4 of IB Chemistry covers Electron-pair sharing reactions, which is part of Unit 6: Reactivity 3: What are the mechanisms of chemical change?. Students explore key concepts including Nucleophilic substitution of halogenoalkanes, Electrophilic addition to alkenes. A strong understanding of electron-pair sharing reactions is essential for IB Chemistry exams and builds the foundation for connected topics across the syllabus.

Exam technique guidePractice questions

What you'll learn in Topic 6.4

  • 6.4.1 Nucleophilic substitution of halogenoalkanes
  • 6.4.2 Electrophilic addition to alkenes
Suggested study order: Read the notes for each sub-topic below → test yourself with flashcards → attempt practice questions → review exam technique.

Study resources — 6.4 Electron-pair sharing reactions

6.4.1

Nucleophilic substitution of halogenoalkanes

Notes
6.4.2

Electrophilic addition to alkenes

Notes

Ready to study Electron-pair sharing reactions?

Get expert practice questions with instant AI feedback, and a study planner tailored to your IB Chemistry exam date.

Start studying free

Topic 6.4 Electron-pair sharing reactions forms a core part of Unit 6: Reactivity 3: What are the mechanisms of chemical change? in IB Chemistry. Mastering these concepts will strengthen your understanding of connected topics across the syllabus and prepare you for exam questions that require analysis, evaluation, and real-world application.

Previous topic
6.3 Electron sharing reactions
All Chemistry topics
Exam technique

Ready to practice?

Get AI-graded practice questions, mock exams, flashcards, and a personalised study plan — all aligned to your IB syllabus.

Start Studying Free

No credit card required · No time limit