Question & Answer: …..

1. A. N-ethyl aniline ; B. 3-amino heptane ; C. Methanamide (Formamide); D. N,N-Diethyl benzamide

2. It is the primary amide as there are two hydrogens are present on nitrogen atom or Nitrogen is attached with only one carbon atom.

I had tried to answer the remaining questions but I am unable to answer since they are not visible clearly .