A) trimethyl amine
B) ethyl amine
C) sec-butyl amine
D) iso-propyi amine
Correct Answer: A
Solution :
Trimethyl amine is a tertiary amine. It dissolve in cold nitrous acid to form salts which decompose on warming to nitrosoamine and alcohol. It will not liberate nitrogen. \[{{(C{{H}_{3}})}_{2}}N+HN{{O}_{2}}\xrightarrow[{}]{{}}\underset{trimethyl\text{ }ammonium\text{ }nitrite}{\mathop{{{[{{(C{{H}_{3}})}_{3}}NH]}^{+}}NO_{2}^{-}}}\,\]
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