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Chemistry

Oxidation number and rules for assignment

In this Class 11 Chemistry topic from the chapter Redox Reactions, students learn what oxidation number represents and how it helps track electron transfer in atoms, ions, and compounds. They study the standard rules for assigning oxidation numbers, including the roles of free elements, monoatomic ions, oxygen, hydrogen, halogens, and neutral compounds or polyatomic ions. The topic also develops skills for calculating unknown oxidation numbers and identifying oxidation and reduction in chemical reactions.

Easy · Level 1 · 1 questions

Practice questions

01What is the oxidation state of oxygen in H₂O?

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