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← ScienceWhich risk increases when ethylene's pi bond breaks?
A)Polymerization chain reaction is initiated✓
B)Sigma bond strength decreases
C)Resonance stabilization gets enhanced
D)Conjugation length of structure declines
💡 Explanation
Breaking the ethylene pi bond initiates the free radical polymerization, because it forms reactive ethylene radicals. Therefore, polymerization occurs rather than resonance, since radicals initiate chain reactions, and sigma bonds wouldn't be primarily weakened.
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