3. Show the full mechanism (all intermediates included!) for addition of the electrophile to position 1 and position 2 (separately!). Make an argument for the preferred placement for the electrophilic addition. N HN- 1 2 CI+/AICIA
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- Q2. For the reactions below, draw out the reactions as shown and answer the following questions for each example: (i) Identify the nucleophile/electrophile/base/leaving group where applicable (ii) Identify each mechanism as SŅ1, SN2, E1 or E2. (iii) Insert curly arrows to represent the reaction mechanism. а. Br Nal NaBr + H H CI- NaOH H20 NaCI + + + H H. b.Mechanism. Propose a mechanism for the following reaction. Label the rate-determining step and the major resonance contributor. Make sure to include (1) the formation of the electrophile and (2) all significant resonance contributors of the sigma complex intermediate. NO2 H2N H2N. HNO, (1 eq.) H2SO4 O °C CF3 CF3с-НCI (1 drop) H. OCH2CH3 H2N NH2 O2N ethanol, reflux 1. major product 2. the most plausible mechanism plz
- Q10. For each of the following reactions (a-b), predict whether the substitution is more likely to occur following an Sn1 or Sn2 mechanism; explain your reasoning. Draw the products of each nucleophilic substitution paying particular attention to the stereochemistry of carbon 1. a) Br, CH3 MeOH H3C b) Br NaOH 1 DMF* H3C *N,N-dimethylformamide5. For the multistep synthesis below а. Draw a complete mechanism for this synthesis. For steps that I have stated you did not need to know mechanism or I did not show you the mechanism, you can just draw the product while skipping the mechanism for that step only. I. b. Predict the products. (Hint there are only two!) Make sure to have proper stereochemistry! 1. Cl2, AICI3 2. Mg 3. СО2 4. Нао" Anisole 4 817.Provide a curved arrow mechanism for the transformation shown below. Be sure to show the formation of all reactive intermediates (including the role of HNO/HSO4) and resonance forms and clearly show the movement of all electrons. NO2 HNO,/H,SO, Next, provide an energy vs. reaction coordinate diagram for the EAS mechanism above. Please only start with benzene and NO: Label all reaction intermediates, relative energies, and cleariy show the rate-determining step
- What is the Potential energy diagram for this reaction. Pls draw with as much detail as possible. labels and scale) 2-methylpropan-2-ol ---> 2-methylpropene +H2O Draw the potential energy diagram for the reaction of 2-methylpropan-2-ol ---> 2-methylpropene + H20 (1) Label the structures of the (a) reactants, (b) intermediates, (c) transition states, (d) products, and (e) activation energies (E.) for each step. (2) Which step is the rate-determining step? (3) Identify the electrophile and nucleophile in each step when applicable.octane + NOx + hv (assume hydrogen on second carbon bonded the weakest) For each mechanism, provide the photolytic cycle, a source for hydroxyl radical (if needed) AND atermination step. You may stop when you have accounted for all radicals AND all VOCs are stable (i.e., ifformaldehyde is a product of your mechanism, you do not have to oxidize that molecule to).8. Fill in the missing reagents ل مدل ۵۰ A B 9. Provide a mechanism for the second reaction of the reaction scheme above. ...||||IOH
- a) Consider the substitution reaction shown below: n-Pr. Me Br Et organic product + H-Br H2O i) Predict whether the substitution mechanism is SN1 or SN2, rationalising your choice. ii) Draw a curly arrow mechanism that explains formation of the organic product. ii) With the aid of a diagram, rationalise the stereochemical outcome of the reaction. Provide a fully annotated Gibbs free energy diagram that describes the reaction. iv) With the aid of a diagram, discuss what stabilises the carbocation intermediate and what impact this has upon the rate of the reaction. v)Give clear handwritten reaction mechanism of all subparts!4. Write the product and give mechanism. (i) *CO Phy Et (ii) =CH3 .PMen RCN/Rh Rh Me,P