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JEE Main levelSingle correct optionDifficulty 2 of 3nc190

Dimethylamine is treated with $NaNO X_{2}$ / dil. $HCl$ at low temperature. The product is

AN-nitrosodimethylamine, a yellow oil
B4-nitroso-N,N-dimethylaniline
Cdimethyldiazonium chloride
Dmethanol and nitrogen

Answer: A

Secondary amines (aliphatic or aromatic) react with nitrous acid to give N-nitrosoamines,

(CH X_{3}) X_{2} N - N = O

, as yellow oils. No diazonium salt or N2 results.

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