The least acidic compound, among the following is: (A) EtO OH (B) SO3H

Question

The least acidic compound, among the following is:

(1) D

(2) A

(3) B

(4) C

Answer 1

Correct option is: (1) D

\(EtO_2C \ \underset{-}{\overset{-}{—}}\ H\)

C.B. of terminal alkyne will be sp hybridisation and loculised. In other C.B. will be resonance stablised.