Ionic Half Equations - IGCSE / GCSE Chemistry - Easy Step-by-Step Explanation
#SaveMyExams #GCSEChemistry #IGCSEChemistry Ionic half equations are an important part of GCSE and IGCSE Chemistry — and understanding how to write them correctly is essential for redox reactions, electrolysis and exam calculations. In this video, we explain ionic half equations step by step, helping you understand how electrons are gained and lost during chemical reactions and how to answer exam questions confidently. In this video, you will learn: How to write ionic half equations for the reduction of metal ions and the oxidation of non-metal ions How to balance the number of atoms and the charges of the ions and the electrons in ionic half equations How to apply ionic half equations to different scenarios, such as the electrolysis of lead bromide and aqueous solutions How to use the mnemonic OIL RIG to remember the concepts of oxidation and reduction in chemistry How to avoid common mistakes that students make when balancing ionic half equations How to answer tricky questions where you have to identify the correct ionic half equation from a given list, or write the overall equation for the electrolysis reaction This video will help you to master ionic half equations and show you what examiners are looking for, as well as how many marks you can get for each correct answer. By the end of this video, you will be able to: Write ionic half equations for any electrolysis reaction Balance the charges and atoms in ionic half equations with ease Apply the concepts of oxidation and reduction to ionic half equations Solve any exam question on ionic half equations with confidence This video is the ultimate revision resource for ionic half equations. Whether you’re revising for mocks, homework or final exams, this video will help you strengthen your understanding of redox chemistry and improve your confidence with exam-style Chemistry questions. Explore GCSE Chemistry revision resources from Save My Exams: https://www.savemyexams.com/gcse/chem... Explore IGCSE Chemistry revision resources from Save My Exams: https://www.savemyexams.com/igcse/che... Timestamps: 0:00 The Transfer of Electrons explained 0:40 The definition of Oxidation & reduction + mnemonic “OIL RIG” 0:55 What are Ionic half equations? 1:24 Exam tip #1 1:33 How to write half equations for reduction reactions 3:21 Exam Tip #2 3:30 How to write ionic half equations for oxidation reactions 5:40 Exam Tip #3 5:46 Ionic half equations summary 🌟 Videos to watch next:: ▶ Teacher Explains: Endothermic Exothermic reactions - GCSE & IGCSE Chemistry Revision 2024: • Endothermic and Exothermic Reactions - GCS... ▶ Bond Energy Calculations & Enthalpy Change Examples - GCSE & IGCSE Chemistry Revision 2024: • Bond Energy Calculations - GCSE and IGCSE ... ▶ Collision Theory & Reactions Explained - GCSE & IGCSE Chemistry Revision 2024: • Collision Theory of Reaction Rate - GCSE /... 📱 Connect with Save My Exams: TikTok: @savemyexams Instagram: @savemyexams Facebook: @SaveMyExamsUK About Save My Exams Save My Exams is an online revision platform that helps IGCSE, GCSE, A Level, IB and AP students prepare for their exams. Students gain access to resources written by real teachers and examiners, precisely matched to exam specifications. On average, students improve by 2.6 grades using Save My Exams. Teachers can find ready-to-use classroom materials, and create custom tests to monitor student progress. They save 4 hours and 51 minutes per week, according to a 2025 Save My Exams survey. If this video helped, hit subscribe for more GCSE and IGCSE Chemistry revision videos, and leave a comment to let us know what topics you'd like us to cover next. #IonicHalfEquations #RedoxReactions #ChemistryRevision
