OCR AS LEVEL JUNE 2022 CHEMISTRY B PAPER 2 QUESTION PAPER

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...

This is a basic introduction to the structure of alkanes and how to name them using IUPAC nomenclature. It is summarised from the Developing Fuels unit of OCR Salters B Chemistry (AS level)

Chemistry AS notes for the OCR Chemistry B Salters (from 2015) specification Summary notes for all the topics in the Year 1 and AS syllabus: EL, DF, ES, OZ, WM