Which one of the following has lowest pKa value?
A. CH3-COOH
B. O2N-CH2-COOH
C. Cl-CH2-COOH
D. HCOOH
Answer:B
Which one of the following has lowest pKa value?
A. CH3-COOH B. O2N-CH2-COOH C. Cl-CH2-COOH D. HCOOH