Q. The correct structure representation of carboxylate ion is

2318 256 Aldehydes Ketones and Carboxylic Acids Report Error

A

Option 1 Image

27%

B

Option 2 Image

49%

C

Option 3 Image

16%

D

Option 4 Image

8%

Solution:

$R - COO H - H^{+} R - CO O^{-}$
is a resonance hybrid of resonating structures.