The datab below was of an acid catalyst. CH COCH,(aq) + 1,( CH,COCH,(aq) + HI(aq) Concentrations Rate / mol dm's1 Experiment [CH,COCH,(aq)] 1,(aq)}/ mol dm [H*(aq)/ mol dm3 (mol dm 3) mol dm3 1 0.30 0.05 0.05 5.7 x 105 0.30 0.10 0.05 5.7 x 105 3. 0.30 0.05 0.10 1.2 x 104 0.40 0.05 0.20 3.1 x 10+ 0.36 0.05 0.05 7.1 x 105 寸の

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter32: Radiochemical Methods
Section: Chapter Questions
Problem 32.12QAP
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The data below was obtained for the reaction between Iodine and propanone in the presence of an acid catalyst.

CH3COCH3(aq) + I2(aq)  ➡       CH3COCH2I(aq)    +   HI(aq)

  • Calculate the value of the rate constant indicating its units.
  • Write the rate expression for the reaction.
  • State the method you would use to measure the rate of the reaction above without quenching the reaction.
The datab below was obtained for the reaction between iodine and propanone in the presence
of an acid catalyst.
CH,COCH,(aq) + I,( CH,COCH,!(aq) + HI(aq)
Concentrations
Rate / mol dm's1
Experiment [CH,COCH,(aq)] ,(aq)}/
mol dm
[H*(aq)/
mol dm3
(mol dm3)
mol dm 3
1
0.30
0.05
0.05
5.7 x 105
0.30
0.10
0.05
5.7 x 105
0.30
0.05
0.10
1.2 x 104
4
0.40
0.05
0.20
3.1 x 104
0.36
0.05
0.05
7.1 x 105
Transcribed Image Text:The datab below was obtained for the reaction between iodine and propanone in the presence of an acid catalyst. CH,COCH,(aq) + I,( CH,COCH,!(aq) + HI(aq) Concentrations Rate / mol dm's1 Experiment [CH,COCH,(aq)] ,(aq)}/ mol dm [H*(aq)/ mol dm3 (mol dm3) mol dm 3 1 0.30 0.05 0.05 5.7 x 105 0.30 0.10 0.05 5.7 x 105 0.30 0.05 0.10 1.2 x 104 4 0.40 0.05 0.20 3.1 x 104 0.36 0.05 0.05 7.1 x 105
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