In the compound given below,
<img width=205 height=85 src="https://mytat.co/uploads/question/AMINES-1_filesimage039.png">
the correct order of acidic nature of the positions (X), (Y) and (Z) is:
An organic compound 'A ' having molecular formula on reduction gave another compound B, upon treatment with nitrous acid 'B ' gave ethyl alcohol. On warming with chloroform and alcoholic KOH, it formed an offensive smelling compound 'C '. The compound 'C ' is