8. The reaction follows which mechanism?(d)EtOHHeata. EtOH is a weak base so this will be an E1 mechanism.b. EtOH is a weak nucleophile so this will be an SN1 mechanism.C. EtOH is a strong base so this will be an E2 mechanism.d. EtOH is a strong nucleophile so this will be an SN2 mechanism.

Tertiary alkyl halide with weak Nucliophile or weak base tend to react via SN1 or E1 reaction . The…

Answered: 8. The reaction follows which…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter24: Carboxylic Acids & Derivatives

Section: Chapter Questions

Problem 13E

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Identify the stronger nucleophile in each pair. a.NH3, −NH2 b.CH3NH2, CH3OH c.CH3CO2−, CH3CH2O−
Rank the nucleophiles in each group in order of increasing nucleophilicity. a.−OH, −NH2, H2O b.−OH, Br−, F− (polar aprotic solvent) c.H2O, −OH, CH3CO2−
Show the products of each after reduction with LAH. H OH مله CI OMe NH₂ 1. LAH 2. H₂O 1. LAH 2. H₂O 1. LAH 2. H₂O 1. LAH 2. H₂O 1. LAH 2. H₂O
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Need help with question: mechanism is attached, 1-bromopropane with sodium hydroxide. Identify the leaving group and the nucleophile. Draw the reaction product above. a. This reaction occurs via an SN2 mechanism. What is the rate equation for an SN2 reaction?b. What would happen to the reaction rate if the concentration of sodium hydroxide was doubled?c. What would happen to the reaction rate if the amount of THF was doubled?
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Consider the following SN2 reaction.a.Draw a mechanism using curved arrows. b. Draw an energy diagram. Label the axes, the reactants, products, Ea, and ΔH°. Assume that the reaction is exothermic. c. Draw the structure of the transition state. d.What is the rate equation? e.What happens to the reaction rate in each of the following instances? [1] The leaving group is changed from Br− to I−; [2] The solvent is changed from acetone to CH3CH2OH; [3] The alkyl halide is changed from CH3(CH2)4Br to CH3CH2CH2CH(Br)CH3; [4] The concentration of −CN is increased by a factor of five; and [5] The concentrations of both the alkyl halide and −CN are increased by a factor of five.
Polar aprotic solvents enhance the rate of an SN2 reaction by stabilizing the cations and the anions. changing the polarizibility of the nucleophile. raising the energy of the nucleophile. O lowering the energy of the nucleophile. Save for Later
2. Draw the structures and explain why CH3CH₂O and CH3CO₂ are good nucleophiles but CH3SO3, water, and alcohols (R-OH) are poor nucleophiles. Propose a 'cutoff' for the amount of negative charge needed to be a good nucleophile. CH3CH₂O CH3CO₂ CH3SO3 H₂O CH₂OH

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8. The reaction follows which mechanism? (d) EtOH Heat a. EtOH is a weak base so this will be an E1 mechanism. b. EtOH is a weak nucleophile so this will be an SN1 mechanism. C. EtOH is a strong base so this will be an E2 mechanism. d. EtOH is a strong nucleophile so this will be an SN2 mechanism.