MCQ
In alkanes, the bond angle is.....$^o$
- ✓${109.5}$
- B${109}$
- C${120}$
- D${180}$
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| Leaving group | Conj. Acid $pK_a$ | $\%$ -yield of $2$-hexene | $\%$ -yield of $1$ -hexene |
| $X = I$ | $- 10$ | $81\%$ | $19\%$ |
| $X = Br$ | $-9$ | $72\%$ | $28\%$ |
| $X = Cl$ | $-7$ | $67\%$ | $33\%$ |
| $X = F$ | $3.2$ | $30\%$ | $70\%$ |
Which of the following statement is (are) true concerning this series of $E_2$ reactions ?
