MCQ
Which one of the following orders is correct regarding the inductive effect of the substituents
- A$ - N{R_2} < - OR > - F$
- B$ - N{R_2} > - OR > - F$
- ✓$ - N{R_2} < - OR < - F$
- D$ - N{R_2} > - OR < - F$
✓
Answer
Correct option: C.
$ - N{R_2} < - OR < - F$
c
Alkyl is an electron releasing group has $+I$ inductive effect. $-F$ has $-I$ inductive effect. Oxygen is more electronegative than nitrogen. Therefore the order of $-I$ effect is $-N R_{2} <-O R<-F$
Alkyl is an electron releasing group has $+I$ inductive effect. $-F$ has $-I$ inductive effect. Oxygen is more electronegative than nitrogen. Therefore the order of $-I$ effect is $-N R_{2} <-O R<-F$
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