Скачать или смотреть Oxidation & Reduction Reactions | Class 9 Chemistry

⚡ Understand the Core of Chemical Reactions – Redox!
Oxidation and reduction are among the most fundamental concepts in chemistry. In this video, we’ll break down the meaning of oxidation and reduction, explore the different ways oxidation can occur (oxygen addition, hydrogen removal, addition of electronegative element, removal of electropositive element, and electron loss), and show how reduction is always the reverse process.
We’ll also solve a worked example to identify oxidising and reducing agents using oxidation numbers. By the end, you’ll have a crystal-clear understanding of redox reactions, which are crucial for both Class 9 exams and higher-level chemistry.

📚 What You’ll Learn in This Video
1️⃣ Meaning of Oxidation & Reduction – Classical and modern definitions.
2️⃣ Oxidation by Oxygen Addition – Example: Cu → CuO.
3️⃣ Oxidation by Hydrogen Removal – Example: H₂S + Cl₂ → 2HCl + S.
4️⃣ Oxidation by Addition of Electronegative Element – Example: FeCl₂ → FeCl₃.
5️⃣ Oxidation by Removal of Electropositive Element – Example: KI oxidised by H₂O₂.
6️⃣ Oxidation as Electron Loss – Link to electrochemistry.
7️⃣ Worked Example – Identifying redox roles using oxidation numbers.

🎯 Why Watch This Video?
✔ Covers all definitions of oxidation and reduction with balanced equations.
✔ Includes colour changes, observations, and real exam-ready examples.
✔ Step-by-step worked example makes redox analysis simple.
✔ Builds a strong foundation for electrochemistry and higher classes.

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