Kinetic Study of a Solvolysis Lab Essay

929 Words Jul 6th, 2012 4 Pages
Kinetic study of a Solvolysis (Sn1) Reaction

Aneadra Bowles
Adasia Rutledge
Krystal Flakes
Robert Grimes
Jasmine Ross

June 5, 2012

Purpose: The purpose of this experiment is to use kinetics to study a solvolyis reaction
Introduction: The purpose of this experiment is to understand the kinetics of the hydrolysis of t-butyl chloride.The kinetic order of reaction was studied under the effects of variations in temperature, solvent polarity, and structure. It is particularly observed in tertiarhalides i.e. in SN1mechanism, Nucleophilic Substitution which is in 1storder. It is basically a reaction that involves substitution by a solvent that pretendslikea nucleophile i.e. it donates electrons. The reaction being in firstorder means
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After the twenty minutes elapsed, the flask was cooled to room temperature and then titrated with the remaining NaOH until the colorless solution remained pink. The final volume was then recorded. While solution #1 was heating the same process was repeated with solution#2 and the second burette
Results

Kinetic Run#1 BuretteReading | Elapsed Timet=tn-to (sec) | Vt NaOH | (V-Vt ) | ln (V-Vo)(V-Vt) | ln (V-Vo)(V-Vt) | v | T0 | | | | | 1 | T1 | 2:09 | 48 | 23.23 | 0.11 | 2 | T2 | 3:11 | 46 | 21.45 | 0.12 | 3 | T3 | 4:01 | 45 | 18.455 | 1.1 | 4 | T4 | 4:42 | 44 | 17.55 | 2.6 | 5 | T5 | 5:23 | 43 | 13.66 | 2.4 | | | | | | |

Kinetic Run#2 BuretteReading | Elapsed Timet=tn-to (sec) | Vt NaOH | (V-Vt ) | ln (V-Vo)(V-Vt) | ln (V-Vo)(V-Vt) | 1 | 3:40 | 50 | 10.2 | 14.0 | | 2 | 5:40 | 48 | 5.0 | 12.54 | 0.1 | 3 | 7.73 | 46 | 4.3 | 12.67 | 0.44 | 4 | 8;34 | 44 | 3.45 | 10.44 | 1.33 | 5 | 10:17 | 42 | 3.5 | 7.656 | 2.0 | | | | | | |

Discussion
In this lab experiment we determined the kinetic rate constant for a solvoysis reaction and observed how a change in polarity of the solvents affects the reaction rate. For the specific reaction that we did in the lab we actually measured the formation of HCl since the rate of

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