Medium
The decreasing order of $-I$ (inductive) effect power for the given groups is:
$A. -CN$
$B. -NO_2$
$C. -NH_2$
$D. -F$
$A. -CN$
$B. -NO_2$
$C. -NH_2$
$D. -F$
- A$B > A > D > C$
- B$B > C > D > A$
- C$C > B > D > A$
- D$C > B > A > D$
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