Question

Write the reaction sequence to convert nitromethane into ethanamine

Answer 1

Answer:

CH3NO2+CO2+2H2 ----C2H5NH2+2O2.

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Answer 2

Answer:

Nitromethane reacts with nitrous acid in presence of hydrochloric acid forming diazonium salts, further reacting with water forming methanol. Methanol can be converted to methyl cyanide. Methyl cyanide on reduction forms ethanamine.

Explanation:

Nitromethane is a nitro compound with a molecular formula $CH_{3} NO_{2}$.

Whereas ethanamine is an amine with a molecular formula $CH_{3}CH_{2} NH_{2}$

It can be converted to ethanamine as shown in the following steps:

$CH_{3} NO_{2} +NaNO_{2} /HCl-- > CH_{3} N_{2}^{+} Cl^{-} \\ CH_{3} N_{2}^{+} Cl^{-} +H_{2}O---- > CH_{3} OH\\CH_{3} OH\ +\ PCl_{5} \ --- > CH_{3} Cl\\ CH_{3} Cl\ +\ NaCN\ --- > CH_{3} CN\\ CH_{3} CN\ +\ H_{2} /Ni --- > CH_{3}CH_{2} NH_{2}$