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What is obtained when the following compound undergoes ammonolysis in a sealed tube at 373K with iodomethane?

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in Chemistry – Class 12 by (188k points)
What is obtained when the following compound undergoes ammonolysis in a sealed tube at 373K with iodomethane?

(a) Dimethylamine

(b) N-Iodo-N-methylmethanamine

(c) Tetramethyl ammonium iodide

(d) No reaction

The question was asked in an international level competition.

The question is from Preparation of Amines topic in division Amines of Chemistry – Class 12

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Right option is (c) Tetramethyl ammonium iodide

The best explanation: Tertiary amines are formed as the ammonolysis of alkyl halides proceeds to form 1° and 2° amines, which further reacts with the alkyl halide. The compound shown is trimethylamine which reacts with iodomethane (alkyl halide) to form a quaternary ammonium salt [(CH3)4N^+]I^–.

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