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Question: Answered & Verified by Expert
In electrophilic aromatic substitution reaction, the nitro group is meta directing because it
ChemistryHaloalkanes and HaloarenesKCETKCET 2009
Options:
  • A decreases electron density at ortho and para positions
  • B decreases electron density at meta position
  • C increases electron density at meta position
  • D increases electron density at ortho and para positions
Solution:
1506 Upvotes Verified Answer
The correct answer is: decreases electron density at ortho and para positions
When nitro group is present in the benzene nucleus, it withdraws electrons from $o$ and $p$-positions. Thus, the electron density at the $o$ and $p$-positions decreases. $m$-positions become positions of comparatively higher electron density and therefore, electrophilic attack occurs at $m$-positions.

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