Chemistry 9CH0/03 May June 2022 | Edexcel A Level Past Papers With Mark Scheme

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1. Relative atomic mass calculation – Determining the relative atomic mass of neon using isotopic abundances and mass values.

2. Thermal stability of barium carbonate – Calculating entropy and temperature conditions required for barium carbonate decomposition.

3. Reaction mechanisms of carbonyl compounds – Drawing mechanisms for key organic reactions, including nucleophilic addition of HCN to propanone.

4. NMR spectroscopy analysis of esters – Interpreting proton NMR spectra to deduce ester structures and linking peak patterns to molecular structure.

5. Acid-base titration for Ka determination – Designing an experiment to determine the acid dissociation constant of ethanoic acid using pH measurements.

6. Identification of unknown salts – Conducting flame tests and precipitation reactions to deduce cations and anions in unknown compounds.

Edexcel A Level Chemistry (9CH0) Jun 2022

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Classification: Edexcel Paper 3

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Chemistry 9CH0/03 May June 2022 | Edexcel A Level Past Papers With Mark Scheme

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