What is the rate law for the one-step mechanism shown below, and why? Explain how you...
What is the rate law for the one-step mechanism shown below, and why? Explain how you got to your conclusion
H2O2 + 2I- + 2H+ --> I2 + 2H20
Homework Answers
The reaction takes place in a single step. Hence, all the reactants react simultaneously in the single step. Moreover, the reaction takes place via an elementary step, i.e, the molecularity of the reaction rate with respect to each reactant is equal to the stoichiometric co-efficient of the reactant in the balanced equation.
Hence, the reaction rate is given as
Rate = k[H2O2][I-]2[H+]2
where k is the overall rate constant for the reaction.
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What is the rate law for the one-step mechanism shown below, and
why? Explain how you...
For the reaction H2O2 + 2H+ + 2I – ® I2 + 2H2O the following mechanism...
For the reaction H2O2 + 2H+ + 2I – ® I2 + 2H2O the following mechanism has been suggested. H2O2 + I – ® HOI + OH – slow OH – + H+ ® H2O fast HOI + H+ + I – ® I2 + H2O fast Identify the rate law for the reaction and explain why
II. Show your work in detail (step by step). You must show your work. The following...
II. Show your work in detail (step by step). You must show your work. The following mechanism has been suggested for the reaction: H2O2 + 2H+ + 2I – ® I2 + 2H2O H2O2 + I – ® HOI + OH – Slow OH – + H+ ® H2O Fast HOI + H+ + I – ® I2 + H2O Fast Identify all intermediates included in this mechanism.
The rate law for the reaction 2NO2 + O3 → N2O5 + O2 is rate =...
The rate law for the reaction 2NO2 + O3 → N2O5 + O2 is rate = k[NO2][O3]. Which one of the following mechanisms is consistent with this rate law? A) NO2 + NO2 → N2O4 (fast) N2O4 + O3 → N2O5 + O2 (slow) B) NO2 + O3 → NO5 (fast) NO5 + NO5 → N2O5 + 5/2O2 (slow) C) NO2 + O3 → NO3 + O2 (slow) NO3 + NO2 → N2O5 (fast) D) NO2 + NO2 → N2O2...
ental data shown below to determine the actual (empirical) rate law for the Use the experim...
ental data shown below to determine the actual (empirical) rate law for the Use the experim reaction between trityl bromide and iodide. Compare this experimental the Sx1 and Sy through an SN1 (two-step) or Sy2 (one-step) mechanism 4. ly-determined rate law to the predicted rate laws you determined for 2 mechanisms, in the previous problem, and determine if this reaction proceeds (Cis8H1s)C-Br (M) 0.035 0.105 0.105 Experiment Rate (M/s) 0.020 0.020 0.060 0.060 1.2x10-6 3.6x10-6 3.6x106 4.8x10-5 2 4 0.140...
4. (22 pts) Consider the following exothermic reaction: H2O2 +2t + 2H' → 12 + 2H20...
4. (22 pts) Consider the following exothermic reaction: H2O2 +2t + 2H' → 12 + 2H20 Consider the following mechanism for this reaction H,02 + r-* Hol + OH' Hol + r- 12 + он. 20H 2H2 H20 slow fast fast a) What species are intermediates in the above mechanism? Any catalysts? b) Sketch an energy versus reaction progress plot for the three step mechanism and clearly label the rate determining step in your diagram. c) What rate law would...
14) You determined the rate law for the reaction of I' with H2O2 in an acidic...
14) You determined the rate law for the reaction of I' with H2O2 in an acidic solution. The rate law was "zero order" with respect to acid ("[H3O+]"). 21+ + H2O2 + 2H+ + 12 + 2 H20 rate = k[I1'[H202] If the conditions are changed to neutral or basic pH, the form of the rate law remains the same but the reaction changes. 2 H2O2 → 2 H2O + O2 rate = k[I+]'[H202] Which statement is TRUE? a) l'...
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following...
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following mechanism has been suggested. H2O2+1 - HOI + OH - slow OH + H H20 fast HỘI + H+ + + I2 + H2O fast Identify all intermediates included in this mechanism. A) H and I D) Honly B) H and HOI E) H20 and OH C) HOI and OH 9. Which of the following statements is false? A) A catalyst increases the rate...
What is the rate law for overall reaction? Consider the following mechanism: Step 1: 03 →...
What is the rate law for overall reaction?
Consider the following mechanism: Step 1: 03 → 02 + 0 Step 2: 03 + 0 + 2O2 (fast) (slow)
Please help!!! Our experimental rate law is rate=k[H2O2][KI] which shows they are both first order. UsItion...
Please help!!! Our experimental rate law is rate=k[H2O2][KI]
which shows they are both first order.
UsItion of Hydrogen Peroxide The following reaction mechanism has been proposed focwhe the first step is the rate-limiting step. Using these elementary st the reaction you studied),where eps, show (in your report the rate law for each step. Based on these rate laws,isthe reaction mechanismbelow consisen with your experimental results? Explain. H,O, (aq) +1-(ag) → 10-(aq) +HO() HO, (aq) + IO, (a)→1. (aq) + H,0(!)...
4)Draw stepwise mechanism that will explain the products of the following reaction. 5)draw the rate law and the transit...
4)Draw stepwise mechanism that will explain the products of the
following reaction.
5)draw the rate law and the transition state for the following
reaction
6)what starting material would exclusively give you the
product shown? Draw the mechanism using a chair structure.
4) Draw a stepwise mechanism that will explain the products of the following reaction on the back of this page. (6 points) 5) Draw the rate law and the transition state for the following reaction: (4 pts) DMSO CH;CH...
ental data shown below to determine the actual (empirical) rate law for the Use the experim reaction between trityl bromide and iodide. Compare this experimental the Sx1 and Sy through an SN1 (two-step) or Sy2 (one-step) mechanism 4. ly-determined rate law to the predicted rate laws you determined for 2 mechanisms, in the previous problem, and determine if this reaction proceeds (Cis8H1s)C-Br (M) 0.035 0.105 0.105 Experiment Rate (M/s) 0.020 0.020 0.060 0.060 1.2x10-6 3.6x10-6 3.6x106 4.8x10-5 2 4 0.140...
4. (22 pts) Consider the following exothermic reaction: H2O2 +2t + 2H' → 12 + 2H20 Consider the following mechanism for this reaction H,02 + r-* Hol + OH' Hol + r- 12 + он. 20H 2H2 H20 slow fast fast a) What species are intermediates in the above mechanism? Any catalysts? b) Sketch an energy versus reaction progress plot for the three step mechanism and clearly label the rate determining step in your diagram. c) What rate law would...
14) You determined the rate law for the reaction of I' with H2O2 in an acidic solution. The rate law was "zero order" with respect to acid ("[H3O+]"). 21+ + H2O2 + 2H+ + 12 + 2 H20 rate = k[I1'[H202] If the conditions are changed to neutral or basic pH, the form of the rate law remains the same but the reaction changes. 2 H2O2 → 2 H2O + O2 rate = k[I+]'[H202] Which statement is TRUE? a) l'...
8. The rate law for the reaction H2O2 + 2H+212 + 2H2O is rate-k[H202][1]. The following mechanism has been suggested. H2O2+1 - HOI + OH - slow OH + H H20 fast HỘI + H+ + + I2 + H2O fast Identify all intermediates included in this mechanism. A) H and I D) Honly B) H and HOI E) H20 and OH C) HOI and OH 9. Which of the following statements is false? A) A catalyst increases the rate...
What is the rate law for overall reaction?
Consider the following mechanism: Step 1: 03 → 02 + 0 Step 2: 03 + 0 + 2O2 (fast) (slow)
Please help!!! Our experimental rate law is rate=k[H2O2][KI]
which shows they are both first order.
UsItion of Hydrogen Peroxide The following reaction mechanism has been proposed focwhe the first step is the rate-limiting step. Using these elementary st the reaction you studied),where eps, show (in your report the rate law for each step. Based on these rate laws,isthe reaction mechanismbelow consisen with your experimental results? Explain. H,O, (aq) +1-(ag) → 10-(aq) +HO() HO, (aq) + IO, (a)→1. (aq) + H,0(!)...
4)Draw stepwise mechanism that will explain the products of the
following reaction.
5)draw the rate law and the transition state for the following
reaction
6)what starting material would exclusively give you the
product shown? Draw the mechanism using a chair structure.
4) Draw a stepwise mechanism that will explain the products of the following reaction on the back of this page. (6 points) 5) Draw the rate law and the transition state for the following reaction: (4 pts) DMSO CH;CH...
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