Lab 07 new - INTRODUCTION Objective -To determine the order...

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INTRODUCTION Objective -To determine the order of the reaction of crystal violet with hydroxide ion. -To determine the rate constant of the reaction. Theory The reaction of crystal violet with hydroxide ion to produce a colorless product through the following equation:- ess Colorl Voilet CVOH OH CV + - + and this reaction is first order. So, if we plot ln(2-log%T) vs. time we should get a straight line. The equations of the experiment are following : [ ] n OH k k - = © Cl I I A o ε = = log 100 % × = I I T o ( 29 T T A % log 2 % 100 log - = = [ ] [ ] t k CV CV © 1 2 ln - = + + ( 29 t Cons t k T tan % log 2 ln © + - = - DATA 1
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RUN # 1 t (cm) t (s) % T Log (%T) 2-log (%T) ln [2-log (%T)] 0 0 10 1 1 0 1.9 45.6 20 1.30103 0.69897 -0.35815 3.4 81.6 30 1.477121 0.522879 -0.6484 4.9 117.6 40 1.60206 0.39794 -0.92143 6.4 153.6 50 1.69897 0.30103 -1.1937 8.1 194.4 60 1.778151 0.221849 -1.50576 10.2 244.8 70 1.845098 0.154902 -1.86496 13.1 314.4 80 1.90309 0.09691 -2.33395 RUN # 2
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Lab 07 new - INTRODUCTION Objective -To determine the order...

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