Electrophilic Aromatic Substitution Concept Map
See how the arenium ion, directing effects and common reactions connect. Then create your own map from lecture notes, a PDF or a textbook chapter.
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- What you get
- Interactive mind maps of the main ideas and how they connect. Free: overview maps (detailed maps on your first 3 creations). Plus: detailed maps with supporting concepts.
- Exports
- Your first PDF or PNG export is free; Plus exports anytime.
- Price
- Free plan: 5 creations a week, up to 3 a day. Plus: $9.99/month or $99.90/year (USD; local prices at checkout).
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- What you can upload
- PDF, Word (.docx), PowerPoint (.pptx), plain text or Markdown, and images (PNG, JPG, WebP, GIF), or type a topic. One file per creation on the free plan; several at once on Plus.
How it compares: vs Knowt · vs Quizlet · vs NotebookLM · vs Mapify
Build a Map From Your Own Course Material
Upload your chemistry notes or type a topic, and the AI sorts it into a branching map you can study from.
Map From Your Notes
Upload a PDF, Word file or slides from your organic chemistry course and get a map of your own material.
Expandable Reaction Branches
Expand any node with AI to add detail on a specific reaction, intermediate or directing group.
Quiz and Flashcards
Turn the map into a quiz to test recall, or create flashcards from the same notes before your exam.
How to Make an EAS Concept Map
Three steps take you from scattered chemistry notes to a clear map of the reaction.
- 1
Add Your Notes or Topic
Upload your lecture slides, textbook pages or a PDF, or simply type electrophilic aromatic substitution.
- 2
AI Builds the Map
The AI organizes the mechanism, directing groups and reaction types into connected branches.
- 3
Study, Expand and Quiz
Expand weak areas, edit node text, then quiz yourself or export the map as a PNG or PDF.
Electrophilic Aromatic Substitution Concept Map Explained
Electrophilic aromatic substitution (EAS) is a reaction in which an electrophile replaces a hydrogen on an aromatic ring while the ring keeps its aromaticity. The mechanism has two main steps: the electrophile attacks the ring to form a resonance-stabilized arenium ion, then a base removes a proton to restore aromaticity. A good concept map links these steps to the reagents and effects that control them.
- Mechanism: electrophile attack, arenium ion formation, proton loss
- Activating groups: electron-donating groups that speed the reaction up
- Deactivating groups: electron-withdrawing groups that slow it down
- Directing effects: ortho and para versus meta product preferences
- Common reactions: halogenation, nitration, sulfonation and Friedel-Crafts reactions
Use the map to review the mechanism, then test how directing effects change the product. To build a version from your own lecture notes, create a personalized map with CogniGuide.
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Electrophilic Aromatic Substitution Questions
Answers to common questions about the reaction and how to map it.
What is the arenium ion in EAS?
The arenium ion, also called a sigma complex, is the positively charged, resonance-stabilized intermediate formed when an electrophile adds to the aromatic ring. Its loss of a proton restores the aromatic system.
Why do some groups direct to the meta position?
Electron-withdrawing groups such as nitro and carbonyl groups destabilize the arenium ion when the attack occurs at the ortho or para positions. The meta attack avoids placing positive charge next to the substituent, so meta products dominate.
Which file types can I use to build my EAS map?
You can upload PDF, Word (DOCX), PowerPoint (PPTX), text or Markdown files, or images of handwritten notes. You can also type the topic directly.
Can I turn my electrophilic aromatic substitution map into a quiz?
Yes. CogniGuide can turn a finished map into a quiz to test your recall of mechanisms and directing groups. The free plan allows 5 creations a week with no payment needed.