JEE Main 2026 Chemistry question

Chemistry Organic Chemistry - Some Basic Principles and Techniques JEE Main 2026

In IUPAC nomenclature, the correct order of decreasing priority of functional group is:

(A)−CONH₂, > C=O, −CHO, −NH₂, −C≡C−
(B)−CONH₂, −COOCH₃, −CHO, −NH₂, −OH
(C)−CONH₂, −CHO, >C=O, −NH₂, −C≡C−Correct
(D)−CONH₂, −CHO, −CN, −NH₂, −C≡C−

Answer: (C)

Solution

The seniority order for these groups is amide > aldehyde > ketone > amine,

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-015249