MCQ
निम्न में कौन सा समूह समइलेक्ट्रॉनिक है?
- A$\mathrm{CO}_{2}, \mathrm{NO}_{2}$
- B$\mathrm{NO}_{2}^{-}, \mathrm{CO}_{2}$
- ✓$\mathrm{CN}^{-}, \mathrm{CO}$
- D$\mathrm{SO}_{2}, \mathrm{CO}_{2}$
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