Redox Reactions
Why does iron rust in moist air, and how does a battery produce current. This chapter in NCERT Class 11 Chemistry, Chapter 7, explains redox reactions through oxidation number, oxidising and reducing agents, and balancing by oxidation number and half reaction methods. It connects chemical change with electron transfer, introduces standard electrode potential and electrochemical cells, and shows how redox drives corrosion, metallurgy and everyday cells. You will learn to assign oxidation numbers and to balance redox equations step by step.
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