MCQ
The functional group that shows negative resonance effect is:
- A$-\mathrm{NH}_2$
- B$-\mathrm{OH}$
- ✓$-\mathrm{COOH}$
- D$-\mathrm{OR}$
✓
Answer
Correct option: C.
$-\mathrm{COOH}$
c
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