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45. What is the molecularity of the following elementary reaction? NH2CI(aq) + OH(aq) → NHCl(aq) + H2O(I) A. unimolecular bimolecular В. C. termolecular D. tetramolecular Е. Need to know the reaction order before molecularity can be determined. 46. Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H* + H2O2 = H2O*-OH (rapid equilibrium) H2O*-OH + Br → HOBR + H20 (slow) HOBR + H* + Br – Br2 + H20 (fast) Which of the following rate laws is consistent with the mechanism? А. Rate = k[H2O2][H*]²[Br] Rate = k (H2O*-OH][Br] Rate = k[H2O2][H*][Br] Rate = k[HOB1][H*][Br][H2O2] Rate = k[Br В. %3D С. D. E.

45. What is the molecularity of the following elementary reaction? NH2CI(aq) + OH(aq) → NHCl(aq) + H2O(I) A. unimolecular bimolecular В. C. termolecular D. tetramolecular Е. Need to know the reaction order before molecularity can be determined. 46. Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H* + H2O2 = H2O*-OH (rapid equilibrium) H2O*-OH + Br → HOBR + H20 (slow) HOBR + H* + Br – Br2 + H20 (fast) Which of the following rate laws is consistent with the mechanism? А. Rate = k[H2O2][H*]²[Br] Rate = k (H2O*-OH][Br] Rate = k[H2O2][H*][Br] Rate = k[HOB1][H*][Br][H2O2] Rate = k[Br В. %3D С. D. E.

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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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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44. Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H* + H2O2 = H2O*-OH (rapid equilibrium) H20*-OH + Br → HOB + H2O (slow) HOB + H* + Br → Br2 + H2O (fast) What is the overall reaction equation for this process? A. 2H2O*-OH + 2Br → H2O2 + Br2 + 2H2O В. 2H* + 2Br + H2O2 → Br2 + 2H2O С. 2H* + H2O2 + Br + HOB → H2O*-OH + Br2 + H2O D. H20*-OH + Br + H* → Br2 + H2O Е. none of these choices is correct
Transcribed Image Text:44. Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H* + H2O2 = H2O*-OH (rapid equilibrium) H20*-OH + Br → HOB + H2O (slow) HOB + H* + Br → Br2 + H2O (fast) What is the overall reaction equation for this process? A. 2H2O*-OH + 2Br → H2O2 + Br2 + 2H2O В. 2H* + 2Br + H2O2 → Br2 + 2H2O С. 2H* + H2O2 + Br + HOB → H2O*-OH + Br2 + H2O D. H20*-OH + Br + H* → Br2 + H2O Е. none of these choices is correct
45. What is the molecularity of the following elementary reaction? NH2CI(aq) + OH(aq) → NHCI(aq) + H20(I) A. unimolecular bimolecular В. C. termolecular D. tetramolecular Е. Need to know the reaction order before molecularity can be determined. 46. Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H* + H2O2 = H2O*-OH (rapid equilibrium) H2O*-OH + Br" → HOB + H2O (slow) HOB + H* + Br → Br2 + H2O (fast) Which of the following rate laws is consistent with the mechanism? А. В. Rate = k[H2O2][H*]°[Br] Rate = k [H2O*-OH][Br] Rate = k[H2O2][H*][Br] Rate = k[HOBr][H*][Br][H2O2] Rate = k[Br %3D С. D. E.
Transcribed Image Text:45. What is the molecularity of the following elementary reaction? NH2CI(aq) + OH(aq) → NHCI(aq) + H20(I) A. unimolecular bimolecular В. C. termolecular D. tetramolecular Е. Need to know the reaction order before molecularity can be determined. 46. Consider the following mechanism for the oxidation of bromide ions by hydrogen peroxide in aqueous acid solution. H* + H2O2 = H2O*-OH (rapid equilibrium) H2O*-OH + Br" → HOB + H2O (slow) HOB + H* + Br → Br2 + H2O (fast) Which of the following rate laws is consistent with the mechanism? А. В. Rate = k[H2O2][H*]°[Br] Rate = k [H2O*-OH][Br] Rate = k[H2O2][H*][Br] Rate = k[HOBr][H*][Br][H2O2] Rate = k[Br %3D С. D. E.
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