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4. The following reaction scheme shows the radical polymerization of styrene to make polystyrene. a) Add electron-pushing arrows to show the mechanisms of steps 1-3. Determine if these are init propagation, or termination steps. b) Radical polymerization is often performed in the absence of O2 because the oxygen radical can coupl the polymer radical to terminate polymerization. Propose electron-pushing arrows for step 4 and pred product of that step. hv

4. The following reaction scheme shows the radical polymerization of styrene to make polystyrene. a) Add electron-pushing arrows to show the mechanisms of steps 1-3. Determine if these are init propagation, or termination steps. b) Radical polymerization is often performed in the absence of O2 because the oxygen radical can coupl the polymer radical to terminate polymerization. Propose electron-pushing arrows for step 4 and pred product of that step. hv

Chemistry
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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4. The following reaction scheme shows the radical polymerization of styrene to make polystyrene. a) Add electron-pushing arrows to show the mechanisms of steps 1-3. Determine if these are initiation, propagation, or termination steps. b) Radical polymerization is often performed in the absence of O2 because the oxygen radical can couple with the polymer radical to terminate polymerization. Propose electron-pushing arrows for step 4 and predict the product of that step. 1 hv 3 BzO Bzof *0-0° step 3 keeps happening until a termination step 4 OCcurs 2.
Transcribed Image Text:4. The following reaction scheme shows the radical polymerization of styrene to make polystyrene. a) Add electron-pushing arrows to show the mechanisms of steps 1-3. Determine if these are initiation, propagation, or termination steps. b) Radical polymerization is often performed in the absence of O2 because the oxygen radical can couple with the polymer radical to terminate polymerization. Propose electron-pushing arrows for step 4 and predict the product of that step. 1 hv 3 BzO Bzof *0-0° step 3 keeps happening until a termination step 4 OCcurs 2.
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