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#3486 Bangladesh Studies General Level 20415

অ্যারোমেটিক প্রতিস্থাপন বিক্রিয়ায় নিম্নের কোন গ্রুপটি মেটা নির্দেশক ?

  1. A -Cl
  2. B -OH
  3. C <p>-NO<sub>3</sub></p>
  4. D <p>–CH<sub>3</sub></p>
Answer: C - <p>-NO<sub>3</sub></p>

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