Which amine produces a yellow oily compound when treated with HNO₂?
Secondary amines like (CH₃)₂NH form nitrosamines (yellow oily liquids) with HNO₂, as per the PDF’s chemical reactions.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Preparation - Hoffmann Bromamide and Reduction of Nitro Compounds