Which one of the following substituents at para-position is most effective in stabilizing the phenoixde , ion ?

Which one of the following substituents at para-position is most effec

1.	Which one of the following substituents at para-position is most effective in stabilizing the phenoixde , ion ?
Answer» `-CH_(3)` `-OCH_(3)` `-COCH_(3)` `-CH_(2)OH` Answer :C