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In the reaction of Cl2 with ethane and UV light, which of the following reactions would be a chain termination event(s)?I) Cl∙ + CH3-CH3 → CH3-CH2-Cl + H∙II) Cl∙ + CH3-CH3 → CH3-H2C∙ + HClIII) Cl∙ + CH3-H2C∙ → CH3-CH2-ClIV) Cl2 + CH3-H2C∙ → CH3-CH2-Cl + Cl∙V) Cl2 + UV light → C l∙ + Cl∙

Which of the following is a benzylic radical?

How many monochlorination products do you expect in the following reaction?

Select the best word or phrase that completes each sentence: (addition, allylic substitution, decreases, faster, heterolysis, homolysis, increases, saturated, inductive effects, inhibitor, initiator, ionic, less, more, paired, radical resonance, selective, slower, unsaturated, unpaired, unselective, with, without)   A compound that prevents radical reactions from occurring is called a radical ………………………. .  Complete word/phrase and correct spelling (verbatim) is required. No partial credit.

Which of the following is a benzylic radical?

Which of the following is the rate-determining step for the monobromination of cyclohexane?

Bonus question Propose an efficient multi-step synthetic sequence to accomplish the transformation below. You need to enter your answer as follows : 1. …..   2. ….   3. ….  ect. The reagent/chemical and reaction condition should be entered in sequence and proper structure. No partial credit. 

Which of the following is (are ) possible product(s) of the reaction shown? 

Which of the following is a propagation step in the free radical chlorination of dichloromethane?

A possible reaction of ethane with chlorine is shown below.This reaction could conceivably occur by the following chain mechanisms [1], [2], and [3]. The chain initiating step(s) is (are) ________.