MCQ
Which is the most covalent
- A$C - O$
- B$C - Br$
- ✓$C - S$
- D$C - F$
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${H_2}C = C{H_2}(g) + {H_2}(g) \to {H_3}C - C{H_3}(g)$ at $298 \,K$ will be ....$kJ$