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# Which of the following is correct with respect to the -I effect of the substituents

IMG_20190227_132117.jpg 153. Which of the following is correct with respect to â€” I effect of the substituents? (R = alkyl) (1) - NH2 < -OR < -F (2) - NR2 < - OR < -F (3) - NR2 > - OR > -F (4) -NH2 > -OR > -F
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@anchal

-I - effect (Negative inductive effect) -

Those atoms or group of atoms having more tendency to displace $\sigma$ e - towards itself as compared to Hydrogen atom is called Negative Inductive effect

- wherein

Based on electronegativity

$-I effect \Rightarrow$ — NH2 < — OR < — F

or

— NR2 < — OR < — F

-I effect H3C-NH2 3 C NH H3C 2 C

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