MEDIUMMCQ SINGLEJEE Mains ChemistryInorganic ChemistryCarboxylic Acids and DerivativesChemical Properties of Carboxylic Acid
Which acid is strongest or Which is most acidic
A.Cl2CHCOOH
B.CH3COOH
D.Cl3CCOOH✓ Correct
Explanation
Order of acidity 3 2 2 3 Cl CCOOH Cl CHCOOH ClCH COOH CH COOH +I effect groups decreases the acidity and –I effect groups increases the acidity. If the acid has halogen then there is –I-Effect is present. And in Cl3CCOOH there are three chlorine atoms present which will exert highest –I-Effect.
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