White fumes appear around the bottle of anhydrous aluminium chloride. Give reason.

Explanation

**Step-by-Step Solution:**

1. **Understanding Anhydrous Aluminum Chloride**: Anhydrous aluminum chloride (AlCl3) is a chemical compound that does not contain water. It is known to be hygroscopic, meaning it can absorb moisture from the air.

2. **Reaction with Moisture**: When anhydrous aluminum chloride is exposed to moisture in the air, it reacts with the water vapor. The chemical reaction can be represented as follows:
\[ \text{AlCl}_3 + 3\text{H}_2\text{O} \rightarrow \text{Al(OH)}_3 + 3\text{HCl} \]
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