Asked by Giselle Moore on Sep 28, 2024
Verified
The acidity of a thiol proton most closely resembles which of the following acids?
A) phenol
B) ethanol
C) acetic acid
D) ammonia
Thiol Proton
The hydrogen atom attached to the sulfur atom in a thiol group, characterized by its ability to be acidic and participate in hydrogen bonding.
Acidity
A measure of the concentration of hydrogen ions in a solution, often associated with the degree to which a substance is able to donate a proton.
Phenol
An aromatic compound consisting of a benzene ring bonded to a hydroxyl group (-OH).
- Comprehension of acidity comparison among various organic and inorganic compounds.
Verified Answer
MN
Melanie Nowlinabout 10 hours ago
Final Answer :
A
Explanation :
Thiols have a pKa around 10, which is similar to phenol (pKa ~10), making them both relatively weak acids. Ethanol and ammonia are much weaker acids, while acetic acid is a stronger acid with a pKa around 4.7.
Learning Objectives
- Comprehension of acidity comparison among various organic and inorganic compounds.