I know that in a diazotisation reaction, the temperature should be carefully maintained within the range of 0–5 °C by use of an ice bath. Why is this so? How does the temperature affect the stability of the aryl diazonium salt?
Answer
Warming aryl diazonium salts in the presence of water is a well-known method for synthesizing phenols (with moderate yields).
The first step of this reaction is probably the reason why aryl diazonium salts are unstable at higher temperatures.
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