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- Draw out a complete arrow-pushing mechanism for the following reaction. This reaction is explicitly done with heat. O NaOH, H₂O heatThe pictured reaction shows an alkyl bromide being converted into an alkene. Choose all reagents that would produce the pictured alkene as the major product. A) NaOH/H2O B) H2O C) tBuOK/tBuOH D) EtONa/EtOH12) Use the curved arrow formalism to show the movement of electron pairs in the following reaction and label each reactant as a nucleophile or an electrophile. CHÍNH CHỊCH, + CO Học Nha CH₂CH₂CI
- 5) 2-methyl-1,3-cyclohexadiene is treated with 1 equivalent of HCl. There are two major products. One product predominates at high temperature, and the other at low temperature. HCI a) Write the mechanism for this reaction. b) Label one product as the high temperature product and one as the low temperature product.1) Draw the structure of the alkene product for the E2 elimination reaction shown below. 1)a 2)b 3)c 4)d 5)eExplain why pentane-2,4-dione forms two alkylation products (A and B) when the number ofequivalents of base is increased from one to two.
- Dehydration of 1,2,2-trimethylcyclohexanol with H2SO4 affords 1-tert-butylcyclopentene as a minor product. (a) Draw a stepwise mechanism that shows how this alkene is formed. (b) Draw other alkenes formed in this dehydration. At least one must contain a five-membered ring.Consider the reaction of NaCl with 2- bromo-2-methylhexane in acetone/water. Predict the change in rate if the concentrations of both the 2-bromo-2- methylhexane and the NaCl are doubled. 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 triples.9) Draw the conformer structure, Newman projection, before elimination and the elimination product of the following reaction: Br CH3ONA H
- c) Classify the reaction below as an oxidation, a reduction, or neither.cis-pent-2-ene → pentaneA) oxidationB) reductionC) neitherAnswer: 2) Which of the following compounds has carbon in the highest oxidation state?A) CO2B) CH3COCH3C) CH3CH2OHD) CH3C(OCH2CH3)3Answer: 3) Which of the following reagents is the best choice for oxidizing a primary alcohol toan aldehyde?A) H2CrO4B) pyridinium chlorochromateC) Na2Cr2O7, H2SO4D) KMnO4E) LiAlH4Answer:On a scrap piece of paper, draw a curved arrow mechanism for the following reaction. Once you have determined the major product, draw it in the space provided below. Gr OEt 1) NaOH 2) HCI, H₂O, heat7. Draw a mechanism (use arrows) for the for the formation of products when 1-bromo-2-1 methylcyclohexane reacts with methanol