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- Name (including E/Z stereochemistry) the five alkenes that can produce 3-bromo-3-methylhexane on reaction with HBr. Draw the skeletal structure of each molecule.1-Methylcyclohexene is treated with water in the presence of sulfuric acid to give an unknowncompound with the molecular formula C7H14O. Draw the reaction.When (R)-3-bromo-2,3-dimethylpentane is treated with NaOH, four different alkenes are formed. Draw all four products and rank them in order of stability.
- Use the molecular formula C8H15Br to illustrate thefollowing isomers:1.1.1 positional isomers 1.1.2 (-)-gauche en syn-periplanêre rotamere 1.1.3 E- en Z-alkene 1.1.4 enantiomere (gee ook beskrywers)Q2. What are the products of the following reactions? Q3. 2-Bromopentane, when treated with alcoholic KOH yields a mixture of three alkenes A, B and C. Identify A, B and C. Which is predominant? Draw the products, including their configurations, obtained from the reaction of 1-ethylcyclohexene with the following reagents:a. HBr b. H2, Pd/C c. R2BH/THF, followed by HO– , H2O2, H2O d. Br2/CH2Cl2
- Draw a structural formula for the most stable carbocation with each molecular formula. Q.) C3H7+Cyclohexene (an alkene) is mixed with potassium permanagnate solution (KMnO4). What do you expect to observe? A. The mixture will turn purple as the permanganate is reduced by the alkene. B. The purple colour will disappear as the permanganate is reduced by the alkene. C. Nothing. Permanganate does not react with alkenes. D. The purple colour will disappear as the permanganate is oxidised by the alkene.What stereoisomers are obtained from the reaction of each of the following alkenes with OsO4 followed by aqueous H2O2? a. trans-2-butene b. cis-2-butene c. cis-2-pentene d. trans-2-pentene
- Q3. For the following reactions, predict the products, mechanism and name all the products 4.2-hexene + chlorine gas5.Halogenation of cyclohexane in the presence of light and catalyst6.Sulfonation of Cyclobutane with oleum 7.Addition of HBr to methylcyclopropane3H. Put it all together. Predict the E1 products of the following reaction. Label alkenes as E/Z. 4. Predict the E1 products of the following reaction. Label akenes as E/Z.Assign Z or E to the following alkenes