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Higher alkyl substituted alkene is forme...

Higher alkyl substituted alkene is formed in greater proportion than the lower alkyl substituted alkene. Justify.

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In alkyl substituted alkene, the `alpha`- hydrogen atoms of the methyl group are involved in the hyperconjugation with the pi`(pi)` electron pair of the double bond. As a result, the stability of alkene increases. Greater the number of such groups more will be the stability of alkene. Thus, the relative order of stability of the following alkenes is :
`underset("But-2-ene")(CH_(3)-CH)=CH-CH_(3) gt underset("Propene")(CH_(3)-CH)=CH_(2) gt underset("Ethene")(CH_(2))=CH_(2)`
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