Chemistry WCH15/01 October 2020
Edexcel
International AS/A Level
Chemistry (WCH)
Oct
2020
2. aromatic amines and amino acids—phenylamine synthesis, electrophilic substitution mechanism, base strength comparison, optical isomerism
3. Grignard reagents and organic synthesis—secondary alcohol formation, polymer structure deduction, reaction schemes for alcohol to amine conversion
4. analytical techniques—NMR peak count, empirical formula determination, molecular structure from reactivity data, optical activity from chiral centers
5. lanthanides chemistry—f-block electron configurations, complex ion coordination, ionic radius trends, colourless vs coloured compounds, oxidation by Ce⁴⁺ ions
6. pharmaceutical analysis—paracetamol hydrolysis, 4-aminophenol oxidation, redox titration with Ce⁴⁺, percentage mass determination via titration data
معلم موافق رایگان بودن است.
1. transition metal chemistry—electrode potentials, complex ion formation, ligand substitution, vanadium oxidation states, colour changes, redox reactions2. aromatic amines and amino acids—phenylamine synthesis, electrophilic substitution mechanism, base strength comparison, optical isomerism
3. Grignard reagents and organic synthesis—secondary alcohol formation, polymer structure deduction, reaction schemes for alcohol to amine conversion
4. analytical techniques—NMR peak count, empirical formula determination, molecular structure from reactivity data, optical activity from chiral centers
5. lanthanides chemistry—f-block electron configurations, complex ion coordination, ionic radius trends, colourless vs coloured compounds, oxidation by Ce⁴⁺ ions
6. pharmaceutical analysis—paracetamol hydrolysis, 4-aminophenol oxidation, redox titration with Ce⁴⁺, percentage mass determination via titration data
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