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  • Which of the following group shows -effect?Option: 1 <img alt="-Br" src="

Which of the following group shows +I-effect?

Option: 1

-Br
 


Option: 2

-COOH


Option: 3

-OR

 


Option: 4

-COO^{-}


Answers (1)

 

Inductive effect -

Displacement of \sigma electron towards more electronegative atom is called inductive effect

- wherein

It is a permanent effect

 

 

Inductive effect explain many different characteristic -

(a)        Greater reactivity of alkyl halides as compared to alkanes

(b)        Relative strength of carboxylic acid 

(c)        Relative basic strength of amines

-

The species showing +I effect are:

-O- > CO- > COO- > (CH3)3C- > (CH3)2CH- > CH3- > CH2- > CH3- > D > H

Therefore, Option(4) is correct.  

Posted by

Ramraj Saini

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