Given the data tables below for the concentrations of crystalviolet dye in the crystal violet-hydroxide reaction CV++ NaOH- --> CVOH + Na, calculate the order ofhydroxide if the order of crystal violet is first order (ln[A]shows a linear relationship for CV).
CV+ + OH- --> CVOH
Data
Trial 1: CV + 0.020M NaOH |
Time (s) | %TCV | [A]CV | ln[A]CV | 1/[A]CV |
190 | 49.8 | 0.303 | -1.195 | 3.303 |
250 | 52.6 | 0.279 | -1.276 | 3.584 |
310 | 55.8 | 0.253 | -1.373 | 3.947 |
370 | 58.4 | 0.234 | -1.454 | 4.281 |
430 | 61.2 | 0.213 | -1.545 | 4.689 |
490 | 63.8 | 0.195 | -1.634 | 5.123 |
Trial 2: CV + 0.040M NaOH |
Time (s) | %TCV | [A]CV | ln[A]CV | 1/[A]CV |
180 | 54.8 | 0.261 | -1.342 | 3.828 |
240 | 59.6 | 0.225 | -1.493 | 4.449 |
300 | 64.2 | 0.192 | -1.648 | 5.196 |
360 | 68.4 | 0.165 | -1.802 | 6.063 |
420 | 72.2 | 0.141 | -1.956 | 7.069 |
480 | 75.8 | 0.120 | -2.118 | 8.310 |
