Chlorine Reactions, Redox & Shapes | AS & A‑Level Chemistry Exam Question Walkthrough

This video is a full AS & A‑Level Chemistry exam‑question walkthrough on chlorine reactions, redox processes, and shapes of molecules. It takes you through the reasoning, the explanations, and the exam‑style logic exactly the way examiners expect. You can also download the full exam question using the link below. Exam question PDF: https://drive.google.com/file/d/1slwjqi38tfvq5iyO6FAZaB_ifs3kgzkQ/view?usp=sharing Directory of all YouTube video PDFs: 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) Writing balanced equations for chlorine reactions Identifying oxidation states and explaining redox changes Understanding disproportionation involving chlorine Predicting and explaining shapes of molecules using VSEPR Using bond pairs and lone pairs to justify shapes Explaining bond angles with electron‑pair repulsion Linking structure to reactivity and redox behaviour Tackling exam questions with clear, examiner‑friendly steps Perfect for AS and A‑Level Chemistry, including AQA Paper 1, OCR A, OCR B (Salters), and anyone revising chlorine chemistry, redox, or molecular shapes. 00:00 Intro 00:05 Walkthrough structure 00:49 Chlorine reacting with water and with NaOH 04:58 Writing Half-equations and full redox equations 09:27 NaCl and H2SO4 reaction 12:13 Shapes of molecules containing chlorine