Question

In: Chemistry

The following mechanism has been proposed for this catalyzed reaction: H2O2 + I– → IO– +...

The following mechanism has been proposed for this catalyzed reaction:

H2O2 + I– → IO– + H2O

H2O2 + IO– → I– + H2O + O2

a) Write the formula for any intermediate.

b) Write the formula for any catalyst.

c) Show how the steps in the mechanism add to the decomposition of H2O2.

Solutions

Expert Solution

a)

intermediates are those which will not be consumed:

in this specific case:

IO–; since it goes in products on top and in the reactants in the bottom...

This is called an intermediate, since it is a byproduct which eventually is used again

b)

a catalyst is used to start a reaction, and it is NOT cosumed... therefore, from the list it is I-

since it appears in the reactants and it is produced in the final stage, i.e. regenerated

c)

Add all:

reactants:

H2O2 + I- + H2O2 + IO-

add products

IO- + H2O + I- + H2O + O2

add all

H2O2 + I- + H2O2 + IO- = IO- + 2H2O + I- + O2

cancel commo terms (intermediates + catalysts)

H2O2 + H2O2 = 2H2O + O2

add

2H2O2 = 2H2O + O2

this shows the decompoistion equation, total O = 4 in left 4 in right, total H = 4 left 4 in right side

this shows how H2O2 decomposes to water + oxygen gas

queen_honey_blossom answered 2 years ago
Next > < Previous

Related Solutions

The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine: 1)...
The following mechanism has been proposed for the gas-phase reaction of chloroform (CHCl3) and chlorine: 1) Cl2 ⇔ 2 Cl (fast, reversible) 2) Cl + CHCl3 → HCl + CCl3 (slow) 3) Cl + CCl3 → CCl4 (fast) What rate law does this mechanism predict? Choose from the list below and enter the letters for all the terms needed in the rate law. (So for a rate law of k[Cl2] enter AC, and for a rate law of k[Cl2][CHCl3] enter...
Draw in detail the reaction mechanism for the acid (H2SO4)-catalyzed esterification reaction between salicylic acid and...
Draw in detail the reaction mechanism for the acid (H2SO4)-catalyzed esterification reaction between salicylic acid and acetic anhydride to form aspirin. Please include an explanation of the steps of the reaction mechanism.
Show the complete mechanism for the acid-catalyzed reaction of acetaldehyde with ethanol to form an acetal.
Show the complete mechanism for the acid-catalyzed reaction of acetaldehyde with ethanol to form an acetal.
2) The initial rate for an enzyme-catalyzed reaction has been determined at a number of substrate...
2) The initial rate for an enzyme-catalyzed reaction has been determined at a number of substrate concentrations. Data are given below. [S](mu*M) 5 10 20 50 100 200 500 vo (mu*Mmin-1) 21 62 92 126 185 210 217 a) Estimate Vmax and Km from a direct graph of vo vs [S] (Michaelis-Menton plot). b) Use a Lineweaver-Burk plot to analyze the same data. What are the values of Vmax and Km? c) If the total enzyme concentration is 100 pM,...
Draw the mechanism for the two steps reaction catalyzed by aminoacyl-tRNA synthetases that gives rise to...
Draw the mechanism for the two steps reaction catalyzed by aminoacyl-tRNA synthetases that gives rise to "activated" tRNA
the reaction 2 h2o2(aq) -> 2 h2o(l) + o2(g) is first order in h2o2 and has...
the reaction 2 h2o2(aq) -> 2 h2o(l) + o2(g) is first order in h2o2 and has a rate constant of 0.00785 s- at 24C. a reation vessel contains 190ml of 25% h2o2 by mass solution (density of the solution is 1.09 g/ml). the gaseous oxygen is collected over water at 24Cas it forms. What volume of o2 forms in 146 seconds at a barometric pressure of 747.9 mmHg?
Consider the acid-catalyzed mechanism of the imine formation (provided in the introduction). How would the reverse reaction proceed?
Consider the acid-catalyzed mechanism of the imine formation (provided in the introduction). How would the reverse reaction proceed? Draw out the mechanism and justify the steps.
Consider the acid-catalyzed mechanism of the imine formation (provided in the introduction). How would the reverse reaction proceed?
2. The price of a bond is generally determined by                a. the relation between the coupon rate and the current market rate of similar investments b. the stated interest rate of the bond c. how many bonds are issued d. who buys the bonds   3. How is the consolidated statements treatment of constructive gain or loss on intercompany bond investments different from the treatment of unrealized profit on intercompany sales of inventory?                a. Constructive gain or loss is deferred until...
The following reaction rate data are collected upon analysis of an enzyme catalyzed hydrolysis. The reaction...
The following reaction rate data are collected upon analysis of an enzyme catalyzed hydrolysis. The reaction is carried out with two different inhibitors. Determine the modes of inhibition for each inhibitor. (The rates provided are relative to the rate measured in the absence of inhibitor. The enzyme concentration for each set of data is equal.) No inhibitor [S]0 (10−2 M) 1.25 3.84 5.81 7.13 v0 0.398 0.669 0.859 1.000 [I1]– –2mmol/L [S]0 (10−2 M) 1.25 2.5 4.00 5.50 v0 0.179...
Consider the following data for an enzyme catalyzed hydrolysis reaction in the presence and absence of...
Consider the following data for an enzyme catalyzed hydrolysis reaction in the presence and absence of inhibitor I: [Substrate] M                                    vo (µmol/min)                    voI (µmol/min) 6x10-6 20.8 4.2 1x10-5                                                    29                                                           5.8 2x10-5                                                    45                                                           9 6x10-5                                                    67.6                                                        13.6 1.8x10-4                                                87                                                           16.2   Use the above data, do the following: a. Generate Lineweaver-Burk plots of the data. b. Explain the significance of the x-interecpt, y-intercept, and the slope. c.   Identify the type of inhibition.
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT