Home About us Services FAQ
Past Papers
Multimedia
Forum
QuizHub
Tutorial
School

Chemistry 7405 Paper 3 June 2021, AQA A Level Past Papers with Mark Schemes

The exam evaluates advanced chemistry topics, emphasizing practical and theoretical applications. Topics include titration of sodium ethanedioate with potassium manganate(VII), polyester synthesis, and ligand substitution in iron complexes. Analytical techniques such as thin-layer chromatography for amino acid identification and purification of ketone derivatives are assessed. Reaction mechanisms include nucleophilic addition with cyanides and Group 7 reactions. Equilibrium questions address buffer solutions and Kc calculations. Additional areas cover organic synthesis, propanoic acid yield calculations, and isomer identification using NMR and IR spectroscopy. The paper integrates quantitative problem-solving, experimental techniques, and data analysis across chemistry domains.
AQA A-Level Chemistry (7405) Jun 2021

omer uner

Classification: AQA Paper 3
Page count: 32
Viewed: 28
Last update: 4 months ago
Crash report
Begin Quiz

Releated questions

Related Past Papers

All Right Reserved.Copyright @ 2023