BY_THE_INTRODUCTION_OF_WHICH_GROUP_MAKES_THE_REPLACEMENT_OF_HALOGEN_AT

1.	BY_THE_INTRODUCTION_OF_WHICH_GROUP_MAKES_THE_REPLACEMENT_OF_HALOGEN_ATOM_FASTER??$
A.	Positive group
B.	Negative group
C.	Both of the mentioned
D.	None of the mentioned
Answer» C. Both of the mentioned

Discussion