An experiment was carried out to determine the order of reaction between one of the isomers of C3H7CI and aqueous sodium hydroxide. The following results were obtained. [C,H,CIJ / mol dm (OH"]/ mol dm mol dm's Initial rate / Experiment 3.1 x 10 1.3 x 10 1 0.05 0.10 0.10 0.20 3 0.15 0.10 9.2 x 10 a) Determine the rate expression from the results, explaining your method. (2) b) Deduce the type of mechanism for the reaction of this isomer of C3H,CI with aqueous sodium hydroxide. (1) c) Sketch the mechanism using curly arrows to represent the movement of electrons. (4)

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Chapter12: Chemical Kinetics
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Question 1 (
An experiment was carried out to determine the order of reaction between one of the isomers of
C3H,Cl and aqueous sodium hydroxide. The following results were obtained.
[C,H,CI] /
mol dm
Initial rate /
[OH]/
Experiment
mol dm mol dms
1
0.05
0.10
3.1 x 10
0.20
1.3 x 10
2
0.10
3
0.15
0.10
9.2 x 10
a) Determine the rate expression from the results, explaining your method. (2)
b) Deduce the type of mechanism for the reaction of this isomer of C3H,Cl with aqueous sodium hydroxide. (1)
c) Sketch the mechanism using curly arrows to represent the movement of electrons. (4)
Transcribed Image Text:Question 1 ( An experiment was carried out to determine the order of reaction between one of the isomers of C3H,Cl and aqueous sodium hydroxide. The following results were obtained. [C,H,CI] / mol dm Initial rate / [OH]/ Experiment mol dm mol dms 1 0.05 0.10 3.1 x 10 0.20 1.3 x 10 2 0.10 3 0.15 0.10 9.2 x 10 a) Determine the rate expression from the results, explaining your method. (2) b) Deduce the type of mechanism for the reaction of this isomer of C3H,Cl with aqueous sodium hydroxide. (1) c) Sketch the mechanism using curly arrows to represent the movement of electrons. (4)
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