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Q.
The increasing order of the acidity of the following carboxylic acids is :
JEE MainJEE Main 2018Aldehydes Ketones and Carboxylic Acids
Solution:
Carboxylic acid having electron withdrawing substituents like $- NO _{2}$ and $- Cl$ increases the acidity whereas electron donating substituents like - OH and $- CH _{y}$ decreases the acidity. Hence, increasing order of acidity is $11 I< II < TV <1$.