Unlimited Chemistry Practice Problems

Every chemistry professor tells their students to do more practice problems, but often, there aren't enough of them to do in the textbook. Here, you can finally hone your skills with unlimited problem banks and unique literature-based reaction examples.

Organic ChemistryLiterature ReactionsGeneral Chemistry

Organic Chemistry Practice

Test your skills with our interactive problem generators. Each tool provides a virtually limitless supply of questions on key topics to help you master organic chemistry.

Structure and Drawing

Stereochemistry

Literature Examples of Reactions

Tired of too-simple and made-up organic reactions that look nothing like actual exam problems? Check out this collection of real-world examples of reactions curated directly from scientific literature. Use them to practice predicting the product or to hone your mechanism drawing skills.

Substitution & Elimination Reactions

Carbonyl Chemistry

Enol & Enolate Chemistry

Aromatic Chemistry

  • Electrophilic Aromatic Substitution (EAS) with or without products
  • Nucleophilic Aromatic Substitution (NAS) with or without products

Other Reactions

General Chemistry Practice

Build intuition for core general chemistry concepts with interactive practice problems and instant feedback.

Atoms & Measurement

Bonding & Structure

Periodic Trends & Reactions

Naming & Formulas

Stoichiometry & Solutions

Acids, Bases & Thermo

More On The Way

Reactions

Interactive practice for product prediction under development.

Spectroscopy

Interactive practice for NMR, IR, and Mass Spec is currently under development.