A set of three nucleophilic displacement reactions is shown below: - Br -Br -Br "CHз Hзс CHз C В A NaCN CH-он SN2 reaction Which reaction (A, B, or C) proceeds the fastest? Which reaction (A, B, or C) proceeds the slowest?
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- A set of three nucleophilic displacement reactions is shown below: Br CH3 BRCH,CHCH,CH,CH,CH3 Br CH3CHCH,CH,CH,CH3 CH3CCH,CH2CH,CH3 CH3 A B H20, CH;CH,OH SN1 reaction Which reaction (A, B, or C) proceeds the fastest? Which reaction (A, B, or C) proceeds the slowest?Consider the reaction below. If the concentration of the nucleophile is doubled, the rate of the reaction will If the concentration of the alkyl halide is doubled, the rate of the reaction will H₂O x CI OH (c) double, not change (d) triple, triple (a) not change, double(b) double, double (e) not change, not changeA set of three nucleophilic displacement reactions is shown below: A, X = F NaCN CH3OH B, X = Br SN2 reaction C, X = CI Which reaction (A, B, or C) proceeds the fastest? [ Which reaction (A, B, or C) proceeds the slowest?
- Consider the reaction of NaCN with 1-bromohexane in DMSO. Predict the change in rate of reaction if the concentration of the NaCN is tripled. A) The reaction rate stays the same B) The reaction rate doubles C) The reaction rate is halved D) The reaction rate quadruples E) The reaction rate triplesConsider the two energy diagrams given below. B Reaction progress Reaction progress Which of the following is correct with respect to these diagrams? O A could represent an E2 reaction B could represent an E1 reaction A could represent an E1cb reaction O A could represent and E1 reaction B could represent an E1cb reaction Energy46. The Strength of Nucleophile: Which one is the strongest nucleophile? OH (B) 0-CH, -CH, (D) O (C) O (A) O (D) O (B)
- Shown below is a molecular representation of acetic acid. The black atoms represent carbon, red for oxygen, and white for hydrogen atoms. B A- D Which labeled atom will most likely react when acetic acid is treated with sodium hydroxide? O A BUDL E ←E -CRank the following bases in order from slowest E2 reaction rate to fastest. ONa H20 NaOH NH3 OK ONa A В D E FWhich of the following is considered an initiation reaction: O CH₂ CH₂ H-H -CH₂ -CH₂ H₂C-CH₂ H-CH₂ H₂C-CH₂ H. -CH3 H₂C-H H-CH₂ -CH₂ -CH₂
- || C-H CH,OH Н-С-ОН Н-С -ОН Hydrogen catalyst НО -С —Н НО-С—Н H-C-OH Н-С—ОН H-C–OH Н-С-ОН CH,OH CH,OH Sorbitol GlucoseBr CH3OH + Br-Br H3CO The mechanism proceeds through a first cationic intermediate, intermediate 1. Nucleophilic attack leads to intermediate 2, which goes on to form the final product. In cases that involve a negatively charged nucleophile, the attack of the nucleophile leads directly to the product. +Br + CH3OH Br Intermediate 1 Intermediate 2 (product) In a similar fashion, draw intermediate 1 and intermediate 2 (final product) for the following reaction. OH + Br2 + HBr Br racemic mixture • Pay attention to the reactants, they may differ from the examples. In some reactions, one part of the molecule acts as the nucleophile. • You do not have to consider stereochemistry. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate intermediate 1 and intermediate 2 using the → symbol from the dropdown menu.Draw the mechanism for the following reaction: conc. H,SO4 Нat (c) "OH Practice Problem 07.69b1 Add curved arrow(s) to draw step 1 of the mechanism. Modify the given drawing of the product as needed to show the intermediate that is formed in this step. H CH3 CH3 CH3 -CH3 + H H. OH Edit Drawing