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Karnataka Board PUCPUC Science Class 11

Explain the Terms Inductive and Electromeric Effects. Which Electron Displacement Effect Explains the Following Correct Orders of Acidity of the Carboxylic Acids?

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Question

Which electron displacement effect explains the following correct orders of acidity of the carboxylic acids?

\[\ce{CH3CH2COOH > (CH3)2CHCOOH > (CH3)3C.COOH}\]

Short Answer
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Solution

\[\ce{CH3CH2COOH > (CH3)2CHCOOH > (CH3)3C.COOH}\]

The order of acidity can be explained on the basis of the inductive effect (+I effect). As the number of alkyl groups increases, the +I effect also increases. With the increase in the +I effect, the basic strength also increases accordingly.

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Fundamental Concepts in Organic Reaction Mechanism - Electron Displacement Effects in Covalent Bonds
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Chapter 8: Organic Chemistry - Some Basic Principles and Techniques - EXERCISES [Page 371]

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NCERT Chemistry - Part 1 and 2 [English] Class 11
Chapter 8 Organic Chemistry - Some Basic Principles and Techniques
EXERCISES | Q 12.17 (b) | Page 371
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