OCR A Chemistry Masterclasses – Year 13

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The second half term of Year 13 Masterclasses, starting live lessons on January 9th. Includes topic checklists, practice questions and a weekly live online class with small group sizes to focus on exam technique.

Week 1: Alcohols, aldehydes and ketones

Reactions of alcohols, aldehydes and ketones. Important practical techniques, mechanisms, equations and chemical tests.

Lessons

Topic checklist Practice questions Answers to practice questions Video: elimination reactions Class recording

Week 2: Chemical equilibrium 1

Essentials of chemical equilibrium, focusing on describing equilibrium reactions, using Le Chatelier’s principle and calculations involving Kc.

Lessons

Topic Checklist Practice questions Answers to practice questions Class recording

Week 3: Kinetics 1

Covering the essentials of collision theory, Maxwell Boltzman curves, as well as techniques for measuring rates and interpreting data from rate graphs

Lessons

Topic Checklist Practice questions Answers to practice questions Class recording

Week 4: Organic analysis 1

Tests for organic functional groups, empirical formula calculations and combustion analysis, mass spectrometry and infrared spectroscopy to determine the structure of organic molecules.

Lessons

Topic checklist Practice questions Answers to practice questions Class recording

Week 5: Energetics 2

Entropy and Gibb’s Free Energy calculations, lattice enthalpy, enthalpy of solution and Born Haber cycles

Lessons

Topic checklist Practice questions Answers to practice questions Class recording

OCR A Chemistry Masterclasses – Year 13