The reaction of DBU with 2-bromoheptane gives two alkene products, what are they? Which of these would you expect to be the major product? Explain your answer
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The reaction of DBU with 2-bromoheptane gives two
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- a) What products would you expect from the elimination reaction of 3-Bromo-2- methylpentane? Show the reaction by writing the condensed structural formula of the reactants and products. Identify the major and minor products. b) What alkyl halide might the 3,6-Dimethyl-1- heptene have been made from?The reaction of Hbr with 2-methylpropene produces 2-bromo-2-methylpropane. What is the structure of the carbocation formed during the reaction?How could 2,6-dimethylheptane be prepared from an alkyne and an alkyl halide? (The prime in R′ signifies that R and R′ can be different alkyl groups.)
- The rate law for addition of Br2 to an alkenes is first order in Br2 and first order in the alkene. Does this information suggest that the mechanism of addition of Br2 to an alkene proceeds in the same matter as for addition of HBr? Explain.Using your knowledge, explain why 1- dimethyl 2- bromopropane is difficult to purify using 2-methyl-2-butene as the starting compound. Use structures in your answer.4. Illustrate each of the following reactions using names and structures; a) The reaction of 2-methyl-propene with hydrogen bromide. b) The condensation of ethanol with butanol. 5. The labels were mixed up on bottles of pentane, hexanal and heptan-1-ol. How could boiling point be used to distinguish between these three colourless liquids? Explain. 6. Illustrate the series of reactions that can be performed to produce propylmethanoate from two alcohols.
- How many tertiary alkyl halides have the formula C4H9Br?A.) 1B.) 2C.) 3D.) 4 Which of the following alkane will give the MOST number of monohalogenated products (not counting stereoisomers)?A.) hexaneB.) 3-methylpentaneC.) 2,3-dimethylbutaneD.) 2-methylheptaneWhat function does sulfuric acid have in the reaction with 1-butanol to form 1-bromobutane?The rate law for addition of Br2 to an alkene is first order in Br2 and first order in the alkene. Does this information suggest that the mechanism of addition of Br2 to an alkene proceeds in the same manner as for addition of HBr? Explain.
- Which of these statements is true about halogenation of 2-methylbutane? It occurs via an addition reaction. B The primary C is halogenated first. Based on probability, the dominant product should be a tertiary alkylhalide. None of the choicesorganic chemistry: Which alkanes would you expect to form in the reaction of a 50:50 mixture of n-butyl chloride and sec-butyl chloride with Na, which alkane is produced in greater proportion, and why?An alkene forms 2-methylpropane when catalytically reduced and 1,2-dichloro-2-methylpropane when treated with Cl₂. Draw the structural formula of the alkene. • You do not have to consider stereochemistry. • You do not have to explicitly draw H atoms. • In cases where there is more than one answer, just draw one. / √ [F ? ChemDoodle