MCQ
Find out the incorrect pair :
- ABoron is $\mathrm{BF}_3-+3$
- BCarbon in $\mathrm{CO}_2{-+4}$
- CNitrogen in $\mathrm{N}_2 \mathrm{O}_5-+5$
- ✓Fluorine in $\mathrm{OF}_2-+4$
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| Column I | Column II |
| A. Aldo pentose | 1. Ribulose |
| B. Keto pentose | 2. Fructose |
| C. Aldo hexose | 3. Ribose |
| D. Keto hexose | 4. Glucose |