1.

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

Answer»

Solution :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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