Dibromoethane and potassium iodide react in methanol (the solvent) according to ...
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Dibromoethane and potassium iodide react in methanol (the solvent) according to the equation:
C2H4Br2 + 3KI → C2H4 + 2KBr + KI3
The initial rate of this reaction was determined in a series of experiments at 65 °C, giving the data below:
| Experiment | [C2H4Br2] /mol L–1 | [KI] /mol L–1 | +(d[KI3]/dt) /mol L–1s–1 |
| 1 | 0.408 | 1.981 | 0.00633 |
| 2 | 0.408 | 2.972 | 0.00949 |
| 3 | 1.019 | 1.981 | 0.0158 |
a) Determine the order of the reaction with respect to C2H4Br2
b) Determine the order of the reaction with respect to KI
c) Determine the value of the rate constant and select the appropriate units for it.
NOTE: You can enter your answer either as a decimal or in scientific notation. To enter your answer in scientific notation, write the powers of 10 after the letter 'e'.For example: enter 1.24 x 10-3 as 1.24e-3 or simply as 0.00124 |
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