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Which consequence results when thermal runaway occurs during the polymerisation of methyl methacrylate within a poorly cooled industrial reactor?

A)Decreased chain transfer reaction rate
B)Homogeneous nucleation rate stabilizes
C)Polymer vitrification temperature declines
D)Explosive increase in reaction rate

💡 Explanation

Thermal runaway triggers an explosive increase in the polymerisation rate because the Arrhenius equation dictates that reaction rate increases exponentially with temperature, therefore positive feedback occurs rather than rate stabilization observed in controlled conditions.

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