An amine X reacts with CH₃CH₂Cl to form a tertiary amine. X could be:
A secondary amine like CH₃NHCH₃ reacts with CH₃CH₂Cl to add an ethyl group, forming a tertiary amine (CH₃CH₂N(CH₃)₂), as per the PDF’s alkylation.
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Nomenclature, Structure and Preparation - Ammonolysis and Gabriel Synthesis
