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Explain the terms Inductive and Electrom...

Explain the terms Inductive and Electromeric effects. Which electron displacement effect explains the following correct orders of acidity of the carboxylic acids?
(a) `Cl_(3)"CC"OOH gt Cl_(2)CHCOOH gt ClCH_(2)COOH`
(b) `CH_(3)CH_(2)COOHgt(CH_(3))_(2)CHCOOHgt(CH_(3))_(3)C.COOH`

Text Solution

Verified by Experts

-I-effect as shown below:

-l-effect is maximum in `CI_3 C.COOH `due to the presence of three-Cl atoms. The effect and hence the proton releasing tendency decreases with decrease in the number of CI atoms. This explains the above order of acidity.
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Arrange the following compounds in increasing order of their acid strengths: (CH_(3))_(2)CHCOOH,CH_(3)CH_(2)CH(Br)COOH , CH_(3)CH(Br)CH_(2)COOH

Arrange the following as stated : 'Increasing order of acidic strength'. ClCH_(2) COOH, CH_(3) CH_(2) COOH, ClCH_(2) CH_(2) COOH, (CH_(3))_(2) CHCOOH, CH_(3) COOH .

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