Which from following functional groups is at the lowest order to decide principal functional group in…

Which from following functional groups is at the lowest order to decide principal functional group in polyfunctional compound?
  1. - COOR
  2. - COCI
  3. $>\mathrm{C}=\mathrm{O}$
  4. $-\mathrm{CONH}_2$

Solution

The principal functional group is decided on the basis of the following order of priority:

Asked in: MHT CET 2023 (12 May Shift 2)

Practice more Basic Principles of Organic Chemistry questions on Aicharya