Practicing Success

Target Exam

CUET

Subject

Chemistry

Chapter

Organic: Aldehydes, Ketones and Carboxylic Acids

Question:

Which of the following is the most acidic?

Options:

Cl2CHCOOH

ClCH2COOH

CH3COOH

Cl3CCOOH

Correct Answer:

Cl3CCOOH

Explanation:

The presence of -I effect of the chlorine atom increases the acidic nature of the species by withdrawing the electrons. The decreasing order of the acid strength is given below:

Cl3CCOOH > Cl2CHCOOH > ClCH2COOH > CH3COOH