COLORATION OF ANILINE: II. 



425 



tendency to form para condensation products and are all present in 

 azophenine, 



N 



•NH- 



•NH- 



N 



can be thus aecoivnted for. 



The oxidation reaction may be represented as follows : 



HN: 



H,+0 



=HN: 



+H 2 



or 



. N: j H.+0 \=4 



>.N/ H-H,0 and 



the splitting off of ammonia, by the reaction 



H ,: 



NH + H, 



»:NH = 



NH 3 +H 2 



•: NH 



or 



H, 



:NH+H 2 i :N. 



NH 3 + H 2 : 



-I- > :N. 



