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- What are the organic products of these reactions? Are they electrophiles or nucleophiles? What is their decreasing order of rate?As we will learn in Section 13.12, many antioxidants–compounds that prevent unwanted radical oxidation reactions from occurring–are phenols, compounds that contain an OH group bonded directly to a benzene ring. a. Explain why homolysis of the O–H bond in phenol requires considerably less energy than homolysis of the O–H bond in ethanol (362 kJ/mol vs. 438 kJ/mol). b.Why is the C–O bond in phenol shorter than the C–O bond in ethanol?A certain hydrocarbon had the molecular formula C16H26 and contained two triple bonds. Ozonolysis gave CH3(CH2), CO₂H and HO₂CCH2CH2CH2CH2CO₂H as the only products. Draw a reasonable structure for this hydrocarbon. Click and drag to start drawing a structure. D:
- For the given SN2 reaction, draw the organic and inorganic products of the reaction, and identify the nucleophile, substrate, and leaving group. Include wedge-and-dash bonds and draw hydrogen on a stereocenter. Hmm.. CEN + CI Organic product Inorganic productThe rate of elimination of cis-1-bromo-4(1,1-dimethyl)cyclohexane is proportional to the concentration of both substrate and base, but that of the trans isomer is proportional only to the concentration of the substrate. a) draw the structures of cis and trans 1-bromo-4(1,1,-dimethyl)cyclohexane b) explain the difference in kinetics between the elimination reaction of cis and trans isomers.Two substitution products result from the reaction between 3-chloro-3-methyl-1- butene with sodium acetate (CH3COO – Na +) in acetic acid under SN1. Identify the products.
- As we will learn in Section 15.12, many antioxidants-compounds that prevent unwanted radical oxidation reactions from occurring-are phenols, compounds that contain an OH group bonded directly to a benzene ring. a. Explain why homolysis of the O-H bond in phenol requires considerably less energy than homolysis of the O-H bond in ethanol (362 kJ/mol vs. 438 kJ/mol). b. Why is the C-O bond in phenol shorter than the C-O bond in ethanol? -O-H CH,CH2-0-H phenol ethanol5. Classify the following reagents as either nucleophiles or electrophiles: Zn2* , CH3NH2 , HS , OH2 , CH3COOH, H2SO4In the second paragraph you should explain why 2-chloro-2-methylpropane reacts with water via the SN1 mechanism instead of the SN2 mechanism, and then write the steps in the mechanism for this reaction. Then write the balanced equation for the reaction between 2-methyl-2-chloropropane and water. One of the products of this reaction is HCl. The rate at which HCl is produced is equal to the rate at which 2-chloro-2-methylpropane is consumed. In this experiment, the HCI will be neutralized by incremental addition of a sodium hydroxide solution. Write the balanced equation for the reaction between NaOH and HCI.
- Possible alternative brominations include: Veratrole (1,2-dimethoxybenzene) to 1,2-dibromo-4,5-dimethoxybenzene; 4-Methylacetanilide to 2-bromo-4-methylacetanilide; 2-Methylacetanilide (made in experiment S.1) to 4-bromo-2-methylacetanilide; Vanillin to 5-bromovanillin; Acetanilide to 4-bromoacetanilide; a. b. C. d. e. EXPERIMENT S4: BROMINATION OF AROMATIC COMPOUNDS Certain other acetanilides made in experiment S.1 may also be used as precursors in this experiment. Estimated time: 1 afternoon Associated learning goals: Section 6, LG 6.6; Section 7, LG 7.2 and 7.4 Pre-lab report: complete the standard report form, and answer the following questions. In this experiment, molecular bromine (Br2) is generated from the redox reaction of potassium bromate with hydrobromic acid. Write a balanced equation for this process. Briefly outline the mechanism by which Br2 brominates your aromatic compound. Why do the bromine atoms end up at the positions indicated rather than anywhere else in the…Draw the energy diagram of the following reaction. Label and draw the reactants, intermediates, and products. Label the transition state of the rate limiting step and draw the transition state of the rate determining step. Is it a concerted or stepwise reaction? Write the rate law for this reaction. How do we increase the reaction rate? If we use deutrium-tert-butyl bromide such as (CD3)3CBr instead of (CH3)3CBr, will it increase or decrease the reaction rate, or is there no meaningful rate change? Write reasons for your answer. Draw mechanisms for reactions by drawing arrows and intermediates.step(s). The SN2 reaction of chloroethane with NaC=CH has 1