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NEET levelSingle correct optionDifficulty 1 of 3nc204

Benzenediazonium chloride is prepared from aniline by treatment with $NaNO X_{2}$ and dil. $HCl$ at

Aabove 400 K
B310-320 K
C350-373 K
D273-278 K

Answer: D

Benzenediazonium salts decompose on warming (to phenol and N2), so diazotisation is carried out at 273-278 K (0-5 degrees Celsius) in an ice bath.

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