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← ScienceWhich consequence results when excessive heat causes methyl ethyl ketone peroxide (MEKP) decomposition?
A)Runaway chain branching polymerization occurs✓
B)Crystalline phase transition decelerates reaction
C)Entropy decreases; reaction quenches slowly
D)MEKP forms stable hydrogen peroxide
💡 Explanation
Runaway chain branching polymerization occurs, because heat accelerates MEKP decomposition initiating chain reactions, therefore rapid crosslinking solidifies resin much faster than designed, rather than entropy decrease since more free radicals form with heating.
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