1. If the following molecule underwent a radical bromination (just add one bromine) - draw the product and then draw an energy diagram to explain why you drew the product you showed. Br₂ light ?
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- 7. Predict the mono-bromination products formed in the following radical bromination reaction. 4 points Br2 hy Draw the mechanism for the formation of the tertiary (30) alkyl halide product. (Hint: If you can't figure out how a tertiary mono-bromination product is formed draw a radical mechanism for one of your predicted products for partial credit.) 8 Points4. ) Rank the nucleophiles from weakest to strongest. (1 = weakest, 3 = strongest) %3D HO,A H2N. Figure 9: Multi-step reaction sequence
- 1. What is the nucleophile in this reaction? 2. Draw the energy profile for this reaction.Part 1 Identify any nucleophiles and electrophiles in this reaction. How will they react together? Do all curved arrows start at an electron-rich site and point toward an electron-poor site? Did you add non-zero charges and lone pair electrons to all appropriate atoms? Does the overall charge and number of atoms remain consistent from step-to-step? To bring a box back to its original status, click on the reset button in the top left corner of the drawing window. x i :0:Photobromination reaction (Br₂/hv) is not particularly selective, minor structural isomeric products are also formed in addition to the major product. A. Assuming substitution of H for Br occurs at every possible kind of hydrogen atom (substitute only 1 H atom), draw all the isomeric product(s) can be formed for the two structures shown below. B. Indicate the major product in each case. C. Draw the critical radical intermediates that are involved in formation of the major product. x A B
- Need help!4. Complete the phrases with one or more of the following terms: SNI, SN2, E1, E2. a) The reaction takes place in two or more steps. b) The reaction goes through a carbocation. c) The rate determining step has two reactants. d) The rate is independent of the concentration of nucleophile or base. e) Zaitsev's rule is often applicable to the products..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
- Construct a three-step synthesis of 1-bromopropane from propane by dragging the appropriate formulas into the bins. Note that each bin willl hold only one item, and not all of the given reagents or structures will be used. Reactant Reagent 1 Step 1 Product Reagent 2 Step 2 Product Reagent 3 Final Product (1-bromopropane) (propane) Br2 Br2 (CH)3CO K HBr ROOR HBr NBS ROOR HaC Нас Нас, Нас Нас НаС. hv CH2 CH2 CH Нс CH-Br CH-Br CH Нас Нас, нC Нас НаС Br Br BrDraw both resonance structures of the most stable carbocation intermediate in the reaction shown.3. A) Show all the unique mono-halogenated products for the reaction below. Circle the major product. Br₂ light B) Show the formal arrow pushing mechanism for the first and second propagation step which leads to the radical intermediate of the major product. Be sure to draw in the hydrogen which is being abstracted. Draw the products.
