Study guides, Class notes & Summaries

Edexcel A Level Chemistry Paper 3 Mark Scheme June Why does infrared spectroscopy work? - ANS-All bonds vibrate at a characteristic frequency when exposed to infrared radiation Steps in free radical substitution - ANS-Initiation (producing free radicals), Propagation (form products and more free radicals) and Termination (removing free radicals by forming molecules) Example of free radical substitution - ANS-Chlorine, methane and UV light Which carbocation intermediate is the mos...

AQA A-level CHEMISTRY Paper 3 7405-3-QP-Chemistry-A-23Jun23

A-level CHEMISTRY Paper 3 Friday 23 June 2023 Morning Time allowed: 2 hours Materials For this paper you must have: • the Periodic Table/Data Booklet, provided as an insert (enclosed) • a ruler with millimetre measurements • a scientific calculator, which you are expected to use where appropriate. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions. • You must answer the questions in the spaces p...

AQA JUNE 2022 A level CHEMISTRY Paper 3 FINAL MARK SCHEME

This is the final mark scheme.

This is the official question paper.