OCR • Chemistry

AS & A Level CHEMISTRY9701/42 Paper 4 A Level Structured Questions May/June 2023 Authentic Marking Scheme

AS & A Level CHEMISTRY9701/41 Paper 4 A Level Structured Questions May/June 2023 Authentic Marking Scheme

AS & A Level CHEMISTRY9701/35 Paper 3 Advanced Practical Skills 1 May/June 2023 Authentic Marking Scheme

AS & A Level CHEMISTRY9701/34 Paper 3 Advanced Practical Skills 2 May/June 2023 Authentic Marking Scheme

AS & A Level CHEMISTRY9701/33 Paper 3 Advanced Practical Skills 1 May/June 2023 Authentic Marking Scheme

AS & A Level CHEMISTRY9701/32 Paper 3 Advanced Practical Skills 2 May/June 2023 Authentic Marking Scheme

AS & A Level CHEMISTRY9701/31 Paper 3 Advanced Practical Skills 1 May/June 2023 Authentic Marking Scheme

AS & A Level CHEMISTRY 9701/23 Paper 2 AS Level Structured Questions May/June 2023

OCR GCE A LEVEL Chemistry A H432/03: Unified chemistry. Structure and bonding NH3 is (simple) molecular/simple covalent/ /has intermolecular forces AND NH4NO3 is ionic  Comparison of strength Ionic bonds are stronger than intermolecular bonds / forces between molecules OR Ionic bonds need more energy to break than intermolecular bonds  2 AO1.1 ×2 For intermolecular bonds/forces ALLOW hydrogen bonds OR London Forces/induced dipole forces/permanent dipole forces OR van der ...

OCR GCE AS Level Chemistry A H032/01: Breadth in chemistry Mark Scheme for June 2022. (Electrostatic) attraction between oppositely charged OR + and – ions  1 AO1.1 ×1 Attraction is essential IGNORE references to metal and non-metal Mark SchemeJune 2022 20 (ii) Mg2+ shown alternately in FOUR circles  S 2– shown alternately in FOUR circles  2 AO1.2 ×2 ALLOW labels if seen outside circles provided it clear which circle the label applies to ALLOW 1 mark for Mg AND S s...