Question

Nana

想請問這題有機化怎麼寫～

Which of the following would have the smallest AH
( CHỊCH,CH=CHCH,CH,
CHỊCH,C=CHCH,CH,
O
CH3
CH₂CH₂C=CCH₂CH3 (cis)
CH3 CH3
CH₂CH₂C=CCH₂CH3 (trans)
3CH₂C=C
OCH,
CH3 CH3
hydrog?