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The oxidation of SO2 to SO3 is accelerated by NO2. The
Chapter , Problem 14.79(choose chapter or problem)
The oxidation of SO2 to SO3 is accelerated by NO2. The reaction proceeds according to: NO21g2 + SO21g2 NO1g2 + SO31g2 2 NO1g2 + O21g2 2 NO21g2 (a) Show that, with appropriate coefficients, the two reactions can be summed to give the overall oxidation of SO2 by O2 to give SO3. (b) Do we consider NO2 a catalyst or an intermediate in this reaction? (c) Is this an example of homogeneous catalysis or heterogeneous catalysis?
Questions & Answers
QUESTION:
The oxidation of SO2 to SO3 is accelerated by NO2. The reaction proceeds according to: NO21g2 + SO21g2 NO1g2 + SO31g2 2 NO1g2 + O21g2 2 NO21g2 (a) Show that, with appropriate coefficients, the two reactions can be summed to give the overall oxidation of SO2 by O2 to give SO3. (b) Do we consider NO2 a catalyst or an intermediate in this reaction? (c) Is this an example of homogeneous catalysis or heterogeneous catalysis?
ANSWER:Problem 14.79The oxidation of SO to SO2s accele3ted by NO . The reaction pro2eds according to:NO (2 + SO (g)2 NO(g) + SO (g) 32 NO(g) + O (g) 22 NO (g) 2(a) Show that, with appropriate coefficients, the two reactions can be summed to give the overalloxidation of SO by O22to give SO . (b) Do we3onsider NO a catalyst or an inte2mediate in thisreaction (c) Is this an example of homogeneous catalysis or heterogeneous catalysis Step-by-step solution Step 1 of 3 (a)The given two reactions are, NO (g) + SO (g) NO(g) + SO (g) ……(1) 2 2 3 2 NO(g) + O (g) 22 NO (g) 2 …....(2)Multiply equation (1) with 2 and add the new equation to equation (2) to get the overall reaction.Therefore, the overall oxidation reaction is,