Functional group present in sulphonic acid is :
- (A)
- (B)✓ Correct
- (C)
- (D)
Answer: (B)
Solution
A sulphonic acid contains the sulphonic acid group (a sulphur bearing two S=O bonds and one S-OH). Hence the functional group is .

JEE Main · 2024 · 06 Apr 2024 · Shift 1 · Single correct option