The amide that produces propanamine via Hoffmann bromamide reaction is:
Hoffmann bromamide reaction converts an amide (RCONH₂) to an amine with one less carbon. For propanamine (CH₃CH₂CH₂NH₂, 3 carbons), the amide must have 4 carbons: butanamide (CH₃CH₂CH₂CONH₂).
Ref: NCERT Class 12 Chemistry > Chapter 13: Amines > Topic: Chemical Reactions of Amines - Mixed Concept Practice