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When an electron withdrawing or electron...

When an electron withdrawing or electron releasing group is attached to carbon chain, polarity is induced on the carbon atom and on the substituent attach to it. This permanent polarity is due electron displacement due to difference in electronegativities this is called inductive effect or I effect. The inducitve effect depends in the electronegativity of the substituent. The inductive effect is broadly classified as (i) negative inductive effect or -I effect. (ii) positive inductive effect or +I effect.
The group which exhibits the maximum -I effect

A

`-NO_(2)`

B

`-CN`

C

`-Cl`

D

`-OH`

Text Solution

Verified by Experts

The correct Answer is:
A
(-I.E order `-NO_2 gt -CN gt CI gt -OH`)
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When an electron withdrawing or electron releasing group is attached to carbon chain, polarity is induced on the carbon atom and on the substituent attach to it. This permanent polarity is due electron displacement due to difference in electronegativities this is called inductive effect or I effect. The inducitve effect depends in the electronegativity of the substituent. The inductive effect is broadly classified as (i) negative inductive effect or -I effect. (ii) positive inductive effect or +I effect. Which of the following statements is correct about inductive effect ?

When an electron withdrawing or electron releasing group is attached to carbon chain, polarity is induced on the carbon atom and on the substituent attach to it. This permanent polarity is due electron displacement due to difference in electronegativities this is called inductive effect or I effect. The inducitve effect depends in the electronegativity of the substituent. The inductive effect is broadly classified as (i) negative inductive effect or -I effect. (ii) positive inductive effect or +I effect. Stability of given anions in the decreasing order is (i) bar(C)H_(3) " (ii) "bar(C)H_(2)-NO_(2)" (iii) "bar(C)H_(2)Cl" (iv) "CH_(3)-bar(C)H_(2)

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+I effect (inductive effect) is shown by

Mention the inductive effect in monochloro acetic acid.

Write examples for electron releasing and electron withdrawing groups.

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