Department of C Chem 351L, C 2018 Bridgehead Reactivity in SN1 Pre-Lab Questions

Question

Department of C Chem 351L, C 2018 Bridgehead Reactivity in SN1 Pre-Lab Questions: . The follow pared: br 1. DMF was used in the experiment for alkyla dicator); 0 tion of saccharin. Why is ethanol/water cho- 0.1 M solut . lute EtOH 2. Explain why a 3° carbocation is more stable EtOIH forp . Bring a 50 3. You will be titrating the substitution reaction take approx with KOII to determine the rate of solvoly-KOH soluti sis. What acid are youtitfating? Where docs your buret it come from? Show a mechanism to support Stopwatche ming as so sen as the solvent for this reaction? than a 2° carbocation. your aluswer . Use 1 mL Post-Lab Questions: i llow

Explanation / Answer

2) 3° carbocation is more stable than 2° carbocation due to more no. Of hydrogen's present around 3° which increases the no. Of hyperconjucation in comparison to 2°. Also the positive charge is better localised due to +I effect in 3° than in 2°

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