Which one of the following contains the most acidic proton? A) Thiol B) Alcohol C) Phenol D) Ether

Which one of the following contains the most acidic proton? A) Thiol B) Alcohol C) Phenol D) Ether

Explanation

The compound with the most acidic proton is Thiol

Thiols (R-SH):

These are more acidic than alcohols due to the larger size of sulfur compared to oxygen, resulting in a weaker S-H bond and a more stable conjugate base.