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When phenol is treated with CHCl3 and NaOH, the product formed is:

1. benzaldehyde
2. salicylaldehyde
3. salicylic acid
4. benzoic acid

Correct answer: salicylaldehyde

Solution

When phenol reacts with CHCl3 and NaOH, it undergoes the Reimer-Tiemann reaction, forming salicylaldehyde as the product.

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