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← ScienceWhich outcome results when a lower-than-required catalyst concentration is used in ethylene polymerization?
A)Reduced polymer chain branching occurs
B)Slower reaction rate is observed✓
C)Byproduct formation sees a decrease
D)Polymer chain length exhibits increase
💡 Explanation
A slower rate is observed because the active sites for polymerization are proportionally reduced; it is a rate limiting step and fewer productive collisions occur. Therefore, overall rate decreases, rather than chain properties changing under excess catalyst present.
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