Regarding the relative thermodynamic stability of alkenes, which of the following statements are COR — Hydrocarbons Chemistry Question

💡 Solution & Explanation

(A) trans-isomers place bulky groups far apart, minimizing steric strain. (B) Alkene stability increases with the number of attached alkyl groups due to $+I$ and hyperconjugation. (C) More stable alkenes release less energy upon forming alkanes. (D) is false; because cis-2-butene is less stable than trans-2-butene, it resides at a higher potential energy level and thus releases MORE heat upon hydrogenation.