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- The major product formed when methylenecyclohexane is treated with NBS in dichloromethane is 1-(bromomethyl)cyclohexene. Account for the formation of this product.Explain the role strain plays on stability and reactivity of a cyclic alkane such as cyclopropane.Haloalkanes undergo nucleophilic substitution whereas haloarenes undergo electrophilic substitution. Explain.
- Why is this called cis-1,4-di(1-methylethyl)cyclononane?Write structural formulas for all the alkenes that can be formed in the reaction of 2-bromobutane with potassium ethoxide (KOCH2CH3).Write a series of reactions leading to para-bromoethylbenzene, beginning with benzene and using other reagents as needed. What isomeric side products might also be formed?
- Why does the reaction of t-butanol with sulfuric acid gives the elimination product isobutylene whereas the reaction with HCl gives predominantly the substitution product?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?What is the major organic product from the reaction of 1-pentyne with 1 mole of HBr?
- Define number of sigma bonds in 4-methyl-pentene-2. Select one:a. 17b. 14c. 13d. 1510) For the reaction between isopropyl 1-propyl (or 'n-propyl') ether and HBr, which type of reaction best matches the expected products? A) Acid-catalyzed dehydration B) Nucleophilic substitution reaction C) Ether cleavage reaction D) Nucleophilic addition-elimination reactionWhen bromine is added to two beakers, one containing phenyl isopropyl ether and the other containing cyclohexene, the bromine color in both beakers disappears. What observation could you make while performing this test that would allow you to distinguish the alkene from the aryl ether?