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At 300 K, the following reaction is found to obey the rate law: Rate = k[NOCI]?: 2NOCI → 2NO + Cl2 Consider the three postulated mechanisms given below. Mechanism 1 NOC1 → NO + Cl Cl+ NOCI → NOC2 slow fast NOCI2 + NO → 2NO + Cl2 fast Overall: 2NOC1→ 2NO + Cl2 Mechanism 2 2NOC1→ NOC12 + NO slow NOCI2 →NO + C2 fast Overall: 2NOC1→ 2NO + Ch Mechanism 3 NOCI $ NO + Cl NOCI + Cl→ NO+ Ch Fast, equilibrium slow Overall: 2NOC1→ 2NO + Cl2 Which of the mechanisms above are consistent with the known experimental rate law for the reaction?

At 300 K, the following reaction is found to obey the rate law: Rate = k[NOCI]?: 2NOCI → 2NO + Cl2 Consider the three postulated mechanisms given below. Mechanism 1 NOC1 → NO + Cl Cl+ NOCI → NOC2 slow fast NOCI2 + NO → 2NO + Cl2 fast Overall: 2NOC1→ 2NO + Cl2 Mechanism 2 2NOC1→ NOC12 + NO slow NOCI2 →NO + C2 fast Overall: 2NOC1→ 2NO + Ch Mechanism 3 NOCI $ NO + Cl NOCI + Cl→ NO+ Ch Fast, equilibrium slow Overall: 2NOC1→ 2NO + Cl2 Which of the mechanisms above are consistent with the known experimental rate law for the reaction?

Chemistry
Chemistry
10th Edition
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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which of the mechanisms above are consistent with the known experimental rate law for this reaction

At 300 K, the following reaction is found to obey the rate law: Rate = k[NOCI]?: %3D 2NOCI → 2NO + Cl2 Consider the three postulated mechanisms given below. Mechanism 1 NOC1 → NO + Ci slow Cl + NOC1 → NOCI2 NOC2 + NO → 2NO + Cl2 fast fast Overall: 2NOC1 → 2NO+ Cl2 Mechanism 2 2NOC1 → NOC12 +NO slow NOC2 → NO + Cl2 fast Overall: 2NOC1 → 2NO+ Cl2 Mechanism 3 NOC1 S NO + Cl Fast, equilibrium NOCI + Cl → NO + C2 slow Overall: 2NOC1 → 2NO+ Cl2 Which of the mechanisms above are consistent with the known experimental rate law for the reaction?
Transcribed Image Text:At 300 K, the following reaction is found to obey the rate law: Rate = k[NOCI]?: %3D 2NOCI → 2NO + Cl2 Consider the three postulated mechanisms given below. Mechanism 1 NOC1 → NO + Ci slow Cl + NOC1 → NOCI2 NOC2 + NO → 2NO + Cl2 fast fast Overall: 2NOC1 → 2NO+ Cl2 Mechanism 2 2NOC1 → NOC12 +NO slow NOC2 → NO + Cl2 fast Overall: 2NOC1 → 2NO+ Cl2 Mechanism 3 NOC1 S NO + Cl Fast, equilibrium NOCI + Cl → NO + C2 slow Overall: 2NOC1 → 2NO+ Cl2 Which of the mechanisms above are consistent with the known experimental rate law for the reaction?
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