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  4. Alkyl halide can be converted into alkene by:

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Q. Alkyl halide can be converted into alkene by:

Bihar CECEBihar CECE 2005Haloalkanes and Haloarenes

Solution:

$R-C H_{2}-C H_{2} X+K O H(alc) \rightarrow R-C H=C H_{2}+K X+H_{2} O$
Alkyl halide undergo $\beta-$ elimination to form alkene
$\therefore $ Elimination reaction is correct choice.
(i) Nudeophilic substitution reaction is used to convert alcohol into alkyl halide.
(ii) In rearrangement reaction one molecule changes into other via internal changes.