Real OCR questions, one at a time. Multiple-choice items are marked instantly; for everything else, answer on paper, open the mark scheme and tick the marks you earned. Scores by topic are saved in this browser only and show on each topic page.
Topics All Module 1 All Module 2 All Module 3 All Module 4 All Module 5 All Module 6 Clear
Module 1: planning, analysis and evaluation (96) Practical techniques and apparatus (PAGs) (42)
Module 2: Atomic structure and isotopes (62) Formulae and equations (111) Amount of substance (moles) (291) Acids, bases and titrations (90) Redox and oxidation numbers (78) Electron structure and orbitals (32) Bonding, structure and shapes of molecules (125)
Module 3: Periodicity and ionisation energy (74) Group 2 (34) The halogens (61) tests for ions (25) Enthalpy changes and Hess’ law (99) Reaction rates and the Boltzmann distribution (60) Chemical equilibrium and Kc (57)
Module 4: naming, formulae and isomerism (181) Alkanes (69) Alkenes (139) Alcohols (75) Haloalkanes (56) Organic synthesis and practical techniques (Module 4) (27) Infrared spectroscopy and mass spectrometry (61)
Module 5: orders, rate equations and the Arrhenius equation (46) Equilibrium constants Kc and Kp (45) Acids, bases, pH and buffers (69) Lattice enthalpy and Born–Haber cycles (27) Entropy and free energy (25) Redox titrations and electrode potentials (74) Transition elements (78)
Module 6: benzene and phenol (55) aldehydes and ketones (33) Carboxylic acids, esters and acyl chlorides (59) Amines (17) Amino acids, amides and chirality (50) Polyesters and polyamides (26) Carbon–carbon bond formation (27) Organic synthesis (Module 6) (56) Chromatography and tests for functional groups (31) NMR spectroscopy and combined techniques (38)
Question type Any Multiple choice (instant marking) Calculations Equations Mechanisms Structures and isomers Practical questions Short answers (1–4 marks) Six-mark level of response
Level Both AS only A level only
How many 5 10 20
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