@anchal
-I - effect (Negative inductive effect) -
Those atoms or group of atoms having more tendency to displace e - towards itself as compared to Hydrogen atom is called Negative Inductive effect
- wherein
Based on electronegativity
— NH2 < — OR < — F
or
— NR2 < — OR < — F
-I effect H3C-NH2 3 C NH H3C 2 C