1. Consider the following structures: a. Draw the curved arrow mechanisms to obtain all resonance structures and draw them using standard practices, b. Indicate which of the resonance structures is the major contributor, c. Describe what is meant by delocalized electrons. iii. *
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- 2. Rank the following anions from most to least stable. a. b. d.Select the best answer that identifies which of the following compound(s) are aromatic. H. H. H. 3 7. a.) 1, 2, 4, 5 b.) 3, 4, 7 c.) 1, 2, 5, 6 d.) 2, 4, 5, 7 e.) Both b.) and c.)Please predict the outcome of each reaction below: Type you answer as a letter: A, B, ...., or F.
- 1. a.Work out the hybridization assert of both nitrogen atoms B. Write the acronym of compound in picture a. C. Which is the basic nitrogen atoms and explain. D. Work out the main product of the reaction. Draw the formation of the mechanism. afy + E. Point to the type of reaction that took space in (d) and the rule followed for the formation of the main product.In the following molecule, what electronic effect(s) has the circled group, on the rest of the molecule (especially on the nitrogen atom? N. Veuillez choisir une réponse: a. no effects b. resonance donating c. inductive donating d. inductive attracting e. resonance attracting19) Halohydrin formation from an alkene involves: a. Temporary induction of the dipole moment of a halogen gas.b. Electrophilic attack of pi electrons from the double bond.c. Formation of bromium anion.d. Formation of base as a final product.e. Attack of water molecule as a weak acid.
- Chemistry 3. Propose a synthesis of the molecule below using A., B., and C. as your carbon atom sources. You may use any inorganic reagent necessary to complete your synthesis. А. С. N' B.I. II. III. V. IV. A. m-isopropylnitrobenzene B. o-isopropyinitrobenzene You are given the following compounds. 1. Pyridine 2. cyclobutadiene The aromatic compounds from the above list are: A. 1,2,3 B. 2,3,4 IUPAC name for mesitylene is: A. 1,2,3-trimethylbenzene 1,2,4-trimethylbenzene B. C. 1,3,5-trimethylbenzene D. 1,3,4-trimethylbenzene E. 1,4,5-trimethylbenzene Identify the antiaromatic compounds from the following list: 3. thiophene 1. cyclobutadiene 2. cyclopropenium anion 5. cyclopentadienyl cation A. 1,2,3 ABCDE C. p-isopropylnitrobenzene D. mixture of o-and p-isopropylbenzene E. The recovery of nitrobenzene A. B. C. 3. anthracene B. 3,4,5 C. 1,2,5 D. 3,4,5 E. 2,3,4 Nitrobenzene was reacted with n-propyl chloride in the presence of aluminum chloride as a catalyst. The product formed is: C. 1,2,3,4 iso-butylbenzene sec-butylbenzene tert-butylbenzene D. n-butylbenzene Benzene was reacted with isobutyl chloride in the presence of aluminum chloride as a catalyst. The product formed…28. The following compounds undergo electrophilic aromatic substitution EXCEPT A. I and II B. III and IV C. II and III D. III I. II. 29. Which alkene is the most stable? A. I B. II C. III D. IV III. II. III. IV. IV. 30. In the hydrohalogenation reaction of 1-phenylpropene, only 1-chloro-1-phenylpropane is obtained because A. a more stable carbonium ion is generated from this product. B. a more stable radical intermediate is generated from this product. C. a more stable benzene ring is generated from this product. D. a less stable transition state is generated from this product.
- Complete each Lewis structure, draw all important resonance structures, predict a value for thebond angles requested, and explain your reasoning. a. Nitrous acid (HNO2)HONOHON=ONO= b. Enolate ion (C2H3O) HC1C2=HC2C1=Part A Provide the major organic product. H H HOI Draw the molecule on the canvas by choosing buttons from the Tools (for toolbars. The single bond is active by default. G2. The two molecules A. and B. are in equilibrium in acidic conditions as is shown below. Draw a full arrow pushing mechanism to show how B. is formed from A. – you may draw protonation steps with a generic acid “H-A," as the proton donor. А. В. ОН Cat. HA HO,