The course

• 1

  Start here

  One paper: 100 marks in 3 hours plus 5 minutes reading time. Section I, 20 marks of multiple choice; Section II, 80 marks in 20 to 25 items, at least two worth 7 to 9 marks.

  Free: A tour of the chemistry course
• 2

  Module 5: Equilibrium and Acid Reactions

  5 of the 20 questions on each Section I practice paper

  Dynamic equilibrium and Le Chatelier's principleFree: The equilibrium constantSolubility equilibria and Ksp55 questions
• 3

  Module 6: Acid/Base Reactions

  5 of the 20 questions on each Section I practice paper

  Acids, bases and their reactionspH, strength and Brønsted-Lowry theoryTitration, buffers and Ka57 questions
• 4

  Module 7: Organic Chemistry

  5 of the 20 questions on each Section I practice paper

  Free: Naming organic compounds and hydrocarbonsReactions of hydrocarbons and alcoholsOrganic acids, bases, esters and polymers56 questions
• 5

  Module 8: Applying Chemical Ideas

  5 of the 20 questions on each Section I practice paper

  Identifying and measuring ionsAnalysing organic compounds and designing a synthesis61 questions