Asked by Allysa Chanthavong on Sep 24, 2024
Verified
What is the approximate pKa of diethyl malonate?
A) 45
B) 20
C) 13
D) 10
E) 4
pKa
A quantitative measure of the strength of an acid in solution, representing the acid dissociation constant on a logarithmic scale.
Diethyl Malonate
An ester of malonic acid used as a reagent in organic synthesis, particularly in the synthesis of various organic compounds including barbiturates and vitamins.
- Evaluate the acidic nature of organic substances and comprehend the determinants affecting it.
Verified Answer
KA
Kristine Alejaga2 days ago
Final Answer :
C
Explanation :
Diethyl malonate has a pKa of approximately 13, which is typical for the hydrogen atoms between two carbonyl groups (in this case, ester groups), making them relatively acidic compared to hydrogens in alkanes but less acidic than carboxylic acids.
Learning Objectives
- Evaluate the acidic nature of organic substances and comprehend the determinants affecting it.