Why pKa of F - CH2 - COOH is lower than that of Cl - CH2 - COOH?
In FCH2 - COOH, tluorine is more electron withdrawing and has stronger -l effect than chlorine in CICH2- COOH. So, FCH2COOH is more acidic than CICH2COOH hence its pKa value is lesser than CICH2COOH.
