the bromination of trans-stilbene produces a vicinal dihalide, 1,2-dibromide-1,2-diphenylethane. how do you know what a product's configuration (RR/SS, RS/SR, or pure RR or SS) is based on the mechanism of reaction?
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the bromination of trans-stilbene produces a vicinal dihalide, 1,2-dibromide-1,2-diphenylethane. how do you know what a product's configuration (RR/SS, RS/SR, or pure RR or SS) is based on the mechanism of reaction?
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- Below is the equation for a nucleophilic substitution reaction and some experimental data. CH3CH2Br + CH3COO- ⇌ CH3CH2CO2CH3 + Br- Rate = k [CH3CH2Br][CH3COO-] Which mechanism would best fit the data?Below is the equation for a nucleophilic substitution reaction and some experimental data. CH3CH2Br + CH3COO- ⇌ CH3CH2CO2CH3 + Br- ΔH=-75 kJ/mol Rate = k [CH3CH2Br][CH3COO-] Which reaction energy profile would be the best representative of the data provided?1. For the rearrangement of cyclopropane to propene at 500°C, the following data have been obtained: [(CH2)3], M (CH2), CH,CH=CH2 2.98 x10- 5.55 x10-2 1.60 x10- 8.56x10-3 time, min 15.5 31.0 46.5 What is the rate of disappearance of (CH2); over the time period from 0 to 15.5 minutes? 1. a. 0.00166 M/min b. 0.00127 M/min 0.00101 M/min d. 0.000890 M/min e. 0.000480 M/min C.
- The reaction of 2,2-dimethyl-1-propanol with HBr is very slow and forms 2-bromo-2-methylbutane as the main product (see picture) Come up with a mechanism to explain these observationsThe following is a nucleophilic substitution reaction of R-3-chloro-2-methylhexane with "OCH3. The optical rotation of the solution after the reaction was complete was +11.4° CH3 Н. H3C. CH3 "OCH, H2 H. The mechanism for this reaction is SN2 Draw the organic molecule(s) which is(are) formed in this reaction. Do not include molecules like H,O or HCl. Draw the specific configuration (R or S) at any chiral carbons within your product(s). If both configurations are formed in the product(s), draw both as separate molecules/products.Using the mechanism for the monobromination of ethane as a guide, write the mechanism for the reaction of CH4 with Br2 to form CH3Br and HBr. Classify each step as initiation, propagation, or termination. (Please do explain as well)????
- MECHANISM ACTIVITY Base-Induced Ester Hydrolysis (Saponification) NOC XT Step 1: Nucleophilic addition of hydroxide ion to the ester carbonyl group Ahrs MPR R16 H3C. R Part A (1 of 2) Draw the curved arrows for Step 1 of this mechanism. Arrow-pushing Instructions CH3 H-O: ÖH OR' :Ö H-O: O: H H H H 1x xxx CH3 CH3 Step 1 H3C. CH3 заWhen the alkyl bromides (listed here) were subjected to hydrolysis in a mixture of ethanol and water (80% EtOH/20% H20) at 55°C, the rates of the reaction showed the following order: (CH3)3CB > CH3B > CH3CH2Br > (CH3)2CHBR Provide an explanation for this order of reactivity. Two different mechanisms are involved. (CH3)3CBr reacts by an * mechanism and apparently this reaction takes place faster. The other three alkyl halides react by * mechanism, and their reactions are slower because the 3. The reaction rates of CH3BR, CH3CH2Br, (CH3)2CHBR are affected by an * and thus their order of reactivity is CH3B > CH3CH2B > (CH3)2CHBR.• Analyse the mechanism of 2-methylpropene + HCI* (How does it happen? What are the steps involved?)
- H8. For the addition of bromine to fumaric acid, which stereoisomer(s) is/are formed in this reaction? Draw a mechanism that explains the stereochemical outcome.Q-I: Determine the product(s) of the rxn and llustrate the mechanism. AlCl3 ? Q-II: Determine which reagent would complete the rxn and illustrate the reaction mechanism. F3C F;C (Br2 ) (HBR ) (Br2 + Fe) (None of the Above) Q-III: Determine which reagents are needed to conduct the synthesis. OH NO, 1) NANO2 II) R-COOH I) HNO3/H2SO4 II) KMN04/HCI I) R-COOH II) NANO2 1) R-COOH II) HNO3/H2S04The cis and trans 2-butene stereoisomers have the following rate constant values associated with the electrophilic addition of water in an acid medium at the same temperature. what is the difference between the two values through the energy profile of each reaction. CH3 H,O productos H+ H3C k = 3.51 x 10- M's1 H3C CH3 H,0 > productos H+ k = 8.32 x 10®M's1
