Which of the following group possess m-directional effect ? -OH, -O CH_(3), -Cl, -NO_(2), -COOH, -NHCOCH_(3), -SO_(3)H, -Br, -COCH_(3)

Which of the following group possess m-directional effect ? -OH, -O C

1.	Which of the following group possess m-directional effect ? -OH, -O CH_(3), -Cl, -NO_(2), -COOH, -NHCOCH_(3), -SO_(3)H, -Br, -COCH_(3)
Answer» Solution :m-directional groups : - `NO_(2), -COOH, -SO_(3)H, COCH_(3)` (rest groups SHOWS ortho and PARA directional EFFECT).