Chemistry - GOC Question with Solution | TestHub

1-butene is monosubstituted with 2 α-H. cis-2-butene and trans-2-butene are disubstituted with 6 α-H (trans is the more stable of the two). Isobutene has 6 α-H on a disubstituted C=C. All three have the lower heat of hydrogenation.

Ethene has no α-H and is less stable than 1-butene.

Ans. A, B, C.