Backup of kinetics and spectroscopy - KING FAHD UNIVERSITY...

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KING FAHD UNIVERSITY OF PETROLEUM & MINERALS CHEMISTRY DEPARTMENT EXPERIMENTS IN PHYSICAL CHEMISTRY CHEM-311 Prepared For Dr. M. I. Wazeer EXP # 6 kinetic study using spectroscopy Done By: Al-Ghamdi, Kamal S. ID#: 901432 SEC.#: 56 Date Of Performance: 10-4-1996 Date Of Submission: 17-4-1996
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INTRODUCTION I-Objective:- -To obtain the order of the reaction of crystal violet with hydroxide ion. -To obtain the rate constant of the reaction. II-Theory:- The reaction of crystal violet ( (CH 3 ) 2 N ) 3 C + with hydroxide ion ( OH _ ) to produce a colorless product through the following equation:- CV OH CVOH Voilet Colorless + - + → and this reaction is first order. So, if we plot ln(2-log%T) vs. time we should get a straight line. III-Important Equations:- [ ] [ ] Rate d CV dt k CV m = - = + + ' [ ] k k OH n ' = - A I I Cl o = = log ε %T I I o = × 100 ( 29 A = = - log % log % 100 2 T T [ ] [ ] ln ' CV CV k t + + = - 2 1
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( 29 ln log% tan ' 2 - = - + T k t Cons t PROCEDURE
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This note was uploaded on 11/07/2010 for the course CHEMICAL E 300 taught by Professor Ahmedghazal during the Spring '10 term at King Fahd University of Petroleum & Minerals.

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Backup of kinetics and spectroscopy - KING FAHD UNIVERSITY...

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