MCQ
How many structures of $F$ is possible


- ✓$2$
- B$1$
- C$6$
- D$3$

$1$-Butene
$2$-Butene
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$C_2H_4(g) + H_2(g) \to C_2H_6(g)$
.......$kJ$
| Bond | Bond energy $(kJ)$ |
| $C-H$ |
$413$ |
| $C-C$ | $348$ |
| $C=C$ | $610$ |
| $H-H$ | $436$ |