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Question:

The compound which on reaction with aqueous nitrous acid at low temperature produces an oily nitrosoamine is: methyl amine, diethyl amine, triethyl amine, ethyl amine

methyl amine

diethyl amine

ethyl amine

triethyl amine

Solution:

Secondary (2o) amines (aliphatic as well as aromatic) react with nitrous acid(HNO2) to form N-nitrosoamines (C2H5)2NH+HONO➞(C2H5)2N−N=O+H2O(2oamines) (nitrous acid) (N-nitrosodiethylamine)