Question

The weakest acid amongst the following is

• A. CCl₃COOH
• B. HCOOH
• C. FCH₂CH₂COOH
• D. CH₃COOH

Hint:

Acid strength increases with the presence of electron-withdrawing groups like halogens.

Answer 1

The Correct Option is B

Step 1: Acid strength comparison.
Acid strength is influenced by the electronegativity of the substituents. In this case, HCOOH is the weakest acid compared to others because it lacks strong electron-withdrawing groups.

Step 2: Conclusion.
Thus, the correct answer is option (B).

Final Answer: \[ \boxed{\text{(B) HCOOH}} \]