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In an organic chemistry lab we were looking at the substrate and nucleophile effects in Sn2 reactions. Our experimental data showed that 1-bromobutane with 1.0mL of 0.25M NaI in 2-Butanone reacted faster than 1-bromobutane with 1.0mL 0.50M NaI in 2-butanone. Also, our experimental data showed that 1-bromobutane with 1.0mL of 0.50M NaI reacted faster than 1-bromobutane with 2.0mL of 0.05M NaI.
These result are the opposite of the theoritcal rate aren't they? From my understanding, the Sn2 reaction rate should should double when the nucleophile or substarte is doubled.
In an organic chemistry lab we were looking at the substrate and nucleophile effects in Sn2 reactions. Our experimental data showed that 1-bromobutane with 1.0mL of 0.25M NaI in 2-Butanone reacted faster than 1-bromobutane with 1.0mL 0.50M NaI in 2-butanone. Also, our experimental data showed that 1-bromobutane with 1.0mL of 0.50M NaI reacted faster than 1-bromobutane with 2.0mL of 0.05M NaI.
These result are the opposite of the theoritcal rate aren't they? From my understanding, the Sn2 reaction rate should should double when the nucleophile or substarte is doubled.
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Keith LeannonLv2
13 Dec 2019
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