Question

write balanced chemical equations for action of ammonia on a) formaldehyde b) acetaldehyde c) acetone​

Answer 1

Answer:

a)6HCHO +4$NH_{3}$⇒($CH_{2}$)$_{6}$$N_{4}$ +6$H_{2}$O

b)3$CH_{3}$$CHO_{}$ +3$NH_{3}$ ⇒($CH_{3}$CHNH)3+3$H_{2}$O

Explanation:

Answer 2

Reaction between ammonia and formaldehyde.

$6 \mathrm{HCHO}+4 \mathrm{NH}_{3} \rightarrow\left(\mathrm{CH}_{2}\right) 6 \mathrm{N}_{4}+6 \mathrm{H}_{2} \mathrm{O}$

Reaction between ammonia and acetaldehyde.

$3 C H_{3} C H O+3 N H_{3} \rightarrow\left(C H_{3} C H N H\right)^{3}+3 H_{2} O$

Reaction between ammonia and acetone.

$C 3 H_{6} O+N H_{3} \rightarrow C_{3} H_{9} N+O_{2}$

Explanation:

• When formaldehyde reacts with ammonia, it forms methyleneimine, ethyl alcohol and hexamethylenetetramine. In general, aliphatic aldehydes react with ammonia and form aldehyde ammonias.  
• When acetaldehyde is mixed with ammonia at atmospheric pressure and room temperature, it results in the formation of trimer of acetaldehyde-ammonia. This method is highly exothermic and spontaneous.
• When acetone is mixed with ammonia, Ethylmethylamine is formed due to the fact that the nitrogen in ammonia is very reactive.  

To learn more:

1. What is the order of decomposition of ammonia on the surface of platinum catalyst?

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2. In the reaction 4NH3+5O2 4NO+6H2O when one mole of ammonia and one mole of oxygen are made to react to completion then.

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