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As per your syllabus, which of the following groups is a META-directing substituent on benzene?
A-NO₂
B-OH
C-OCH₃
D-NH₂
Answer & Solution
Correct answer: A. -NO₂
Your syllabus: -NO₂, -CN, -CHO, -COR, -COOH, -SO₃H are meta directors (also deactivators).
-OH/-NH₂/-OR are o/p directing activators.
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