Justify giving reaction that among halogens, fluorine is the best oxidant and among hydrohalic compounds, hydroiodic acid is the best reductant.

Explanation

To justify why fluorine is the best oxidant among halogens and hydroiodic acid is the best reductant among hydrohalic compounds, we can analyze their respective reactions and properties.

### Part 1: Fluorine as the Best Oxidant

1. **Understanding Oxidation and Reduction**:
- An oxidant is a substance that gains electrons and is reduced in a chemical reaction, while a reductant loses electrons and is oxidized.

2. **Reactions of Fluorine**:
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