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Redox Which of the following equations represents 15. correctly the rate-determining step? AT laq) + Huolag202(a4) B) Han) + Olag) HOl a) + Han) +) 21) + H,02(aq) + 2Ha)Iz(aq) H,0y + 0lag) HOI(aq) C) H,Ou) +1z(a0) D) 21,00) 16. Which of the following conclusions about lhe rate of the reaction can be drawn fiom the over-all equation of the reaction? A) udide ion Rate is proportional to the concentration of 13) Rate is proportional to the concentration of iydrogen peroxide C) Rate is proportional to the concentration of he hydrogen ion D) Rate is proportional to the concentration of he iodide ions and the hydrogen peroxide. 17. Which one of the following methods could NOT be used to determine the rate of this reaction? A) Measurement of the concentration of nydrogen ions by a suitable titration methods Measurement of the electrical conductivity B) of the solution ge) by absorption onto anhydrous calcium chloride Measurement of the change in colour Measurement of the mass of water tormed D) Entensity of the solution

Redox Which of the following equations represents 15. correctly the rate-determining step? AT laq) + Huolag202(a4) B) Han) + Olag) HOl a) + Han) +) 21) + H,02(aq) + 2Ha)Iz(aq) H,0y + 0lag) HOI(aq) C) H,Ou) +1z(a0) D) 21,00) 16. Which of the following conclusions about lhe rate of the reaction can be drawn fiom the over-all equation of the reaction? A) udide ion Rate is proportional to the concentration of 13) Rate is proportional to the concentration of iydrogen peroxide C) Rate is proportional to the concentration of he hydrogen ion D) Rate is proportional to the concentration of he iodide ions and the hydrogen peroxide. 17. Which one of the following methods could NOT be used to determine the rate of this reaction? A) Measurement of the concentration of nydrogen ions by a suitable titration methods Measurement of the electrical conductivity B) of the solution ge) by absorption onto anhydrous calcium chloride Measurement of the change in colour Measurement of the mass of water tormed D) Entensity of the solution

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Answer Q15, 16, 17

(B) 364 (C) + 800 ) -276 fast (A) -800 HOl + Hn) + ) What type of reactions is this? Acid-base 9. What method could be used to obtam the 14. value +590 kJ? (A) (BY (C) (D) (A) Electrolytic method Electron bombardment method Mass spectrometry Bomb calorimetry Which statenent among the following Condensation Precipitation Redox Which of the following equations represents (B) (C) 15. correctly the rate-determining step? (AT 10. concerning CaCI(s) is true? (A) lrcontains chlorine in its highest oxidation state (B (C) oxjdation state (D) (B) Hag) + Ola) - HOI(aq) It is unstable with respect to CaCI (s) It contains calcium in its most usual (C) HOlaq) + Han) + ag) - H,0u) + Iz(aq) (D) 21an) + H202(aq) + 2Ha) Iz(aq) + 2H,00) It is the usual chloride of calcium The energy value 800k is called 16. Which of the following conclusions about 11. (A) lonisation energy (B) O Lattice energy (D) Hydration energy the rate of the reaction can be drawn from the over-all equation of the reaction? Enthalpy of formation Rate is proportional to the concentration of (A) iudide ion The equation for the preparation of Teflon (13) Rate is proportional to the concentration of 12. from tetrafluoroethene is n(CF, = CF2) - (-CF, - CF-)n From this equation, it can be deduced that "Teflon" (A)Has a different empirical formula from tetrafluoroetfiene (B) Can decolourise bromine water (C) Is a highly reactive compound DTIS an addition polymer tıydrogen peroxide (C) the hydrogen ion (D) the jodide ions and the hydrogen peroxide. Fate is proportional to the concentration of Rate is proportional to the concentration of Which one of the following methods could NOT be used to determine the rate of this reaction? Measurement of the concentration of 17. (A) hydrogen ions by a suitable titration methods (B) of the solution 13. The systematic name for the compound Measurement of the electrical conductivity shown below CHICH(OH)CH(CH)CH Is LAT (B) (C) (D) Measurement of the mass of water fomed 3-methylbutan-2-ol 3-methlylbutyl alcohol 2-hydroxypentane 2-methyl hexan-1-ol (C) by absorption onto anhydrous calcium chloride (D) intensity of the solution Measurement of the change in colour Questions 14-17 The reaction of iodide ions with hydrogen peroxide in acid solution can be represented by the equation 21a9) + H202{aq) + 2Hag) Iz(an) + 2H20(1) The reaction is believed to occur stepwise as shown below Questions 18-21 In a laboratory experiment to determine the enthalpy change (AH) for the reaction between zinc and aqueous silver nitrate, the data below were obtained Mass of zine (RAM = 65) in excess = 1.00g Valume of 0 20 mol dm aqueous silver nitrate = aq) + H,02(a4) H20 +01(aq) fast HOl(aq) 20.0 cm Teinperature rise =8.8°C Ham + 0)
Transcribed Image Text:(B) 364 (C) + 800 ) -276 fast (A) -800 HOl + Hn) + ) What type of reactions is this? Acid-base 9. What method could be used to obtam the 14. value +590 kJ? (A) (BY (C) (D) (A) Electrolytic method Electron bombardment method Mass spectrometry Bomb calorimetry Which statenent among the following Condensation Precipitation Redox Which of the following equations represents (B) (C) 15. correctly the rate-determining step? (AT 10. concerning CaCI(s) is true? (A) lrcontains chlorine in its highest oxidation state (B (C) oxjdation state (D) (B) Hag) + Ola) - HOI(aq) It is unstable with respect to CaCI (s) It contains calcium in its most usual (C) HOlaq) + Han) + ag) - H,0u) + Iz(aq) (D) 21an) + H202(aq) + 2Ha) Iz(aq) + 2H,00) It is the usual chloride of calcium The energy value 800k is called 16. Which of the following conclusions about 11. (A) lonisation energy (B) O Lattice energy (D) Hydration energy the rate of the reaction can be drawn from the over-all equation of the reaction? Enthalpy of formation Rate is proportional to the concentration of (A) iudide ion The equation for the preparation of Teflon (13) Rate is proportional to the concentration of 12. from tetrafluoroethene is n(CF, = CF2) - (-CF, - CF-)n From this equation, it can be deduced that "Teflon" (A)Has a different empirical formula from tetrafluoroetfiene (B) Can decolourise bromine water (C) Is a highly reactive compound DTIS an addition polymer tıydrogen peroxide (C) the hydrogen ion (D) the jodide ions and the hydrogen peroxide. Fate is proportional to the concentration of Rate is proportional to the concentration of Which one of the following methods could NOT be used to determine the rate of this reaction? Measurement of the concentration of 17. (A) hydrogen ions by a suitable titration methods (B) of the solution 13. The systematic name for the compound Measurement of the electrical conductivity shown below CHICH(OH)CH(CH)CH Is LAT (B) (C) (D) Measurement of the mass of water fomed 3-methylbutan-2-ol 3-methlylbutyl alcohol 2-hydroxypentane 2-methyl hexan-1-ol (C) by absorption onto anhydrous calcium chloride (D) intensity of the solution Measurement of the change in colour Questions 14-17 The reaction of iodide ions with hydrogen peroxide in acid solution can be represented by the equation 21a9) + H202{aq) + 2Hag) Iz(an) + 2H20(1) The reaction is believed to occur stepwise as shown below Questions 18-21 In a laboratory experiment to determine the enthalpy change (AH) for the reaction between zinc and aqueous silver nitrate, the data below were obtained Mass of zine (RAM = 65) in excess = 1.00g Valume of 0 20 mol dm aqueous silver nitrate = aq) + H,02(a4) H20 +01(aq) fast HOl(aq) 20.0 cm Teinperature rise =8.8°C Ham + 0)
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