MCQ
The formation of alkene from alkyl halide is an example of
- AAddition
- ✓Elimination
- CSubstitution
- D$(a)$ and $(c)$
✓
Answer
Correct option: B.
Elimination
b
(b) $\mathop {R - C{H_2} - C{H_2} - X}\limits_{\text{Alkyl halide}} \mathop {\xrightarrow{\text{Elimination}}} \limits_{{\text{alc}}{\text{. }}KOH} \,\mathop {R - CH = C{H_2}}\limits_{\text{Alkene}} \,\, + \mathop {HX}\limits_{\begin{subarray}{l} {\text{Halogen }} \\ {\text{acid}} \end{subarray}} $
(b) $\mathop {R - C{H_2} - C{H_2} - X}\limits_{\text{Alkyl halide}} \mathop {\xrightarrow{\text{Elimination}}} \limits_{{\text{alc}}{\text{. }}KOH} \,\mathop {R - CH = C{H_2}}\limits_{\text{Alkene}} \,\, + \mathop {HX}\limits_{\begin{subarray}{l} {\text{Halogen }} \\ {\text{acid}} \end{subarray}} $
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