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**write out your work for this problem on your work upload sheet.* Consider the following hypothetical reaction mechanism for the oxidation of bromotrifluoromethane, a halon, by OH in the atmosphere, where each step is an elementary reaction step. OH (g) +CBRF3 (g) HOB (g) + CF3 (g)OH(g)+ CBrF,(g) HOBr(g) + CF;(g) - → CF (g) + 0OH (g) OH (9) + OCF3 (9)CF,(g)+ OOH(g) → OH(8) + OCF,(g) OCF (g) + NO (g) → COF2 (g) + FNO (9)OCF;(g) + NO(g) → COF ,(g) + FNO(g) | Write the overall reaction, and identify any catalysts or intermediate(s) that take part in the process. You can also write the overall reaction for your Gradescope upload if you think that is easier. You do need to include any catalyst or intermediates here. If none, write "none". If there is more than one species, you can separate them with commas. You do not need to include the states, and don't worry about subscripts. For example, NO2 would be written as NO2. Overall reaction: Catalyst(s): Intermediate(s):

**write out your work for this problem on your work upload sheet.* Consider the following hypothetical reaction mechanism for the oxidation of bromotrifluoromethane, a halon, by OH in the atmosphere, where each step is an elementary reaction step. OH (g) +CBRF3 (g) HOB (g) + CF3 (g)OH(g)+ CBrF,(g) HOBr(g) + CF;(g) - → CF (g) + 0OH (g) OH (9) + OCF3 (9)CF,(g)+ OOH(g) → OH(8) + OCF,(g) OCF (g) + NO (g) → COF2 (g) + FNO (9)OCF;(g) + NO(g) → COF ,(g) + FNO(g) | Write the overall reaction, and identify any catalysts or intermediate(s) that take part in the process. You can also write the overall reaction for your Gradescope upload if you think that is easier. You do need to include any catalyst or intermediates here. If none, write "none". If there is more than one species, you can separate them with commas. You do not need to include the states, and don't worry about subscripts. For example, NO2 would be written as NO2. Overall reaction: Catalyst(s): Intermediate(s):

Chemistry by OpenStax (2015-05-04)
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter12: Kinetics
Section: Chapter Questions
Problem 79E: Consider this scenario and answer the following questions: Chlorine atoms resulting from...
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**write out your work for this problem on your work upload sheet." Consider the following hypothetical reaction mechanism for the oxidation of bromotrifluoromethane, a halon, by OH in the atmosphere, where each step is an elementary reaction step. ОН (9) + СВr Fз (9) → HOBR (g) + CF (g)OH(g) + CB•F,(g) – HOB^(g) + CF,(g) CF (g) + 00H (g) → OH (g) + OCF, (g)CF,(g)+ OOH(g) - OH(g) + OCF,(g) OCF: (g) + NO (g) COF, (9) + FNO (g)oCF,(8) + NO(g) - COF,(g) + FNO(g) Write the overall reaction, and identify any catalysts or intermediate(s) that take part in the process. You can also write the overall reaction for your Gradescope upload if you think that is easier. You do need to include any catalyst or intermediates here. If none, write "none". If there is more than one species, you can separate them with commas. You do not need to include the states, and don't worry about subscripts. For example, NO, would be written as NO2. Overall reaction: Catalyst(s): Intermediate(s):
Transcribed Image Text:**write out your work for this problem on your work upload sheet." Consider the following hypothetical reaction mechanism for the oxidation of bromotrifluoromethane, a halon, by OH in the atmosphere, where each step is an elementary reaction step. ОН (9) + СВr Fз (9) → HOBR (g) + CF (g)OH(g) + CB•F,(g) – HOB^(g) + CF,(g) CF (g) + 00H (g) → OH (g) + OCF, (g)CF,(g)+ OOH(g) - OH(g) + OCF,(g) OCF: (g) + NO (g) COF, (9) + FNO (g)oCF,(8) + NO(g) - COF,(g) + FNO(g) Write the overall reaction, and identify any catalysts or intermediate(s) that take part in the process. You can also write the overall reaction for your Gradescope upload if you think that is easier. You do need to include any catalyst or intermediates here. If none, write "none". If there is more than one species, you can separate them with commas. You do not need to include the states, and don't worry about subscripts. For example, NO, would be written as NO2. Overall reaction: Catalyst(s): Intermediate(s):
If the first step in the above sequence is the slowest step in the reaction, and the third step is the fastest, which of the following would you expect to be the rate law for the overall process? ki (OH]CF, Br] k[OH) [CF;Br] k-1(HOBr][CF3] k-1[HOBr] [CF3 O kı[OH][CF3B1] O k3[OCF3][NO] K3OCF3][NO] ks [oCF ]INO] ki [CF3 Br||OH] k1[cF 3Br][OH]
Transcribed Image Text:If the first step in the above sequence is the slowest step in the reaction, and the third step is the fastest, which of the following would you expect to be the rate law for the overall process? ki (OH]CF, Br] k[OH) [CF;Br] k-1(HOBr][CF3] k-1[HOBr] [CF3 O kı[OH][CF3B1] O k3[OCF3][NO] K3OCF3][NO] ks [oCF ]INO] ki [CF3 Br||OH] k1[cF 3Br][OH]
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