MCQ
Which of the following is better nucleophile
- A$H_2O$
- B$H{O^\Theta }$
- ✓$OH^\Theta $
- D$C{H_3}CO{O^\Theta }$
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$C_2H_4(g) + H_2(g) \to C_2H_6(g)$
| Bond | Bond energy $(kJ)$ |
| $C-H$ | $413$ |
| $C-C$ | $348$ |
| $C=C$ | $610$ |
| $H-H$ | $436$ |