Electrochemistry - IGCSE Chemistry 0620 - All Paper 2 Solved - 2018–2024

IGCSE Chemistry 0620 Electrochemistry | All Paper 2 MCQ Solved 2018–2024 Complete walkthrough of all Electrochemistry MCQ questions from IGCSE Chemistry 0620 Paper 2 (2018–2024), covering May/June and Oct/Nov sessions. Every question solved with full explanation. Topics covered: Electrolytic cell: anode, cathode and electrolyte Movement of ions and electrons during electrolysis Oxidation at anode and reduction at cathode Products of electrolysis: molten ionic compounds Products of electrolysis: aqueous solutions (dilute vs concentrated) Aqueous copper sulfate: carbon electrodes vs copper electrodes Ionic half equations: cathode (reduction) and anode (oxidation) Electroplating: choosing electrodes, electrolyte and object placement Extraction of aluminium by electrolysis: half equations and role of cryolite Simple cells: voltage and reactivity series Hydrogen-oxygen fuel cells: products, advantages and overall reaction Moles calculations linked to fuel cell reactions ⏱ Chapters: 0:00 Introduction: Anode, Cathode and Electrolyte 5:36 Movement of Ions and Electrons 10:07 Molten Sodium Chloride Electrolysis 12:45 Aqueous Solutions: Dilute vs Concentrated 15:43 Aqueous Copper Sulfate: Carbon Electrodes 21:52 Aqueous Copper Sulfate: Copper Electrodes 29:04 Concentrated Solutions: Chlorine and Bromine at Anode 36:42 Ionic Half Equations 55:49 Electroplating 1:08:18 Simple Cells and Reactivity Series 1:31:55 Hydrogen-Oxygen Fuel Cells 1:47:30 Moles Calculations: Fuel Cell and Titration IGCSE Chemistry 0620 | CIE Cambridge Chemistry | Electrochemistry IGCSE | Electrolysis IGCSE | Electroplating IGCSE | Fuel cells IGCSE | Ionic half equations | Paper 2 MCQ solved | IGCSE revision 2025 | Cambridge past papers