Electrochemistry & Redox | A‑Level Chemistry Exam Question Walkthrough

This video is a full A‑Level Chemistry exam‑question walkthrough on Electrochemistry and Redox, taking you through E‑values, cell representations, EMF calculations, and redox titrations exactly the way examiners expect. You can also download the full exam question using the link below. https://drive.google.com/file/d/1PF40FtuAtKlFXvY66a0Myq5_CDo0H4nj/view?usp=sharing Links directory for all YouTube videos: https://drive.google.com/file/d/1s3I5prjbJRR1U1lcKpXO9TQpQMaVoP66/view?usp=drive_link This walkthrough shows the exam‑marking points in purple, and the thinking‑out‑loud development and annotations in red/purple, so you can clearly see what earns marks and what helps you understand the logic behind the chemistry. What this walkthrough covers (no spoilers) Using E° values to predict feasible reactions Constructing cell representations Writing half‑equations and calculating EMF Understanding electron flow and cell direction Redox titrations involving KMnO₄ Redox titrations involving vanadium compounds Long‑answer reasoning with clear, examiner‑friendly steps Timestamps 00:00 Intro 00:05 How to use the walkthrough 00:49 Using E values to predict reactions 06:10 Cell representations, half‑equations & EMF 11:13 Redox titrations of KMnO₄ and vanadium compounds Perfect for AQA Paper 2, Paper 3, OCR A, OCR B (Salters), and anyone revising electrochemistry and redox.