#I₂

2 public questions tagged with this topic.

Reduction involves electron gain. I (0 in I₂) becomes -1 in HI, gaining electrons.

Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Electrode Potential and Electrochemical Series and Galvanic Cells

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In its elemental form, I₂, iodine has an oxidation number of 0.

Ref: NCERT Class 11 Chemistry > Chapter 7: Redox Reactions > Topic: Balancing Redox Reactions - Oxidation Number Method and Half Reaction

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