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← ScienceWhich consequence results when ethylene polymerization lacks sufficient catalyst?
A)Reduced average polymer chain length✓
B)Increased branching polymer formation
C)Exothermic runaway reaction initiation
D)Homogeneous catalyst poisoning accelerates
💡 Explanation
Decreasing catalyst affects propagation rate and reduces chain growth because polymerization stalls when monomers cannot effectively insert into the growing polymer chain via chain growth polymerization reaction. Therefore, the average polymer chain length decreases, rather than causing branching at a constant rate polymerisation.
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