Question

Which one of the following acids would you expect to be the strongest?

• A. I - $CH_{2}COOH$
• B. Cl - $CH_{2}COOH$
• C. $Br - CH_{2}COOH$
• D. F - $CH_{2}COOH$

Answer 1

Answer: (D)

F - $CH_{2}COOH$

Answer 2

: Fluorine is most electronegative atom and exerts maximum – I effect.