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- IIT JAM
- Chemistry (CY)
22. nitrosamine will be formed by the reaction of nitrous acid with (a) ethylamine (b) triethylamine (c)diethylamine (d) isopropylamine
22. Nitrosamine will be formed by the reaction of nitrous acid with (A) Ethylamine (B) Triethylamine (C)Diethylamine (D) Isopropylamine
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Suman Kumar
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2°-Amines + HONO (cold acidic solution) → An Insoluble Oil (N-Nitrosamine). option C is correct
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Dinesh khalmaniya 1
option C Secondary amines (−NH− group) give an oily nitrosoamine, when reacts with aqueous HNO2 at low temperature. Thus, diethylamine being a 2∘ amine. gives an oily product with HNO2 at low temperature. Explanation- Only primary amine gives nitrogen gas when reacts with nitrous acid. Whereas secondary amine gives nitrosamine and tertiary amine gives ammonium salt. Among all options, Dimethyl amine is an example for secondary amine. Secondary amines reacts with nitrous acid to give yellow solution of nitroso amine without liberating nitrogen. Hence, it won't liberate nitrogen gas. Option C is correct.
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Priyanshu kumar Best Answer
Secondary amines (−NH− group) give an oily nitrosoamine, when reacts with aqueous HNO2 at low temperature. Thus, diethylamine being a 2∘ amine. gives an oily product with HNO2 at low temperature.
option C is correct