2. which of the following is a propagation step in the free-radical methane? A)

Question

2. which of the following is a propagation step in the free-radical methane? A) CH B) Br. Br hv CH,Br C) CH 2 Br nation of Br D) CH CH B CH Br E) Br. Br- Br, CH CH 3. Which of the reactions below would expect to have the largest positive AH? A) CH Br. you 3- CH,Br B) Brz hvo 2 Br. C) CH. Bre CH1Br DO CH CH CH CH E) Br. Br. Br, 4. Which of the following is not true of free-radical halogenation reactions? A) Fluorine is more reactive than chlorine in these reactions. B) Bromine is more selective than chlorine. C) The reactions require either light or high temperatures to proceed. D) Brominations are faster than chlorinations. E) These reactions are irreversible.

Explanation / Answer

2.E

4.D.

3.A C D

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