HomeChemistryWhich one of the following is not a meta directing group? 9. Which one of the following is not a meta directing group?By Admin / September 17, 2025 A. -CN B. -OH C. -COOH D. -CHO ✅ The correct answer is option B.
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2. The mass of one mole of an electron is Leave a Comment / Chemistry, Chemistry Diagnostic Test MCQs / By Admin