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- 1. Multiple ChoiceWhich of the following is not true of free-radical halogenation reactions?Fluorine is more reactive than chlorine in these reactions.Bromine is more selective than chlorine.The reactions require either light or high temperatures to proceed.Brominations are faster than chlorinations.
- 2. Multiple Choice
Which, if any, of the following would you choose to accomplish the reaction shown above in the best yield?F2, lightCl2, lightBr2, lightI2, light - 3. Multiple ChoiceWhich is most true about the function of a catalyst?Catalysts speed up the reaction by lowering the transition state of a reaction.Catalysts usually need higher temperatures to promote reactions.Catalysts lower the energies of the reactants.Catalysts lower the energies of the products.
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