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- The addition reaction of an acid (HBr) to an alkene (CH3CH=CH2) follows Markovnikov's rule and involves: A) initial attack by Br– B) initial attack by Br• C) isomerization of CH3CH2CH2Br D) formation of a primary carbocation. E) formation of a secondary carbonation. (F) Formation of allyl carbocationThe pictured reaction shows an alkyl bromide being converted into an alkene. Choose all reagents that would produce the pictured alkene as the major product. A) NaOH/H2O B) H2O C) tBuOK/tBuOH D) EtONa/EtOHWhat is the major product of the reaction between 2-methylbut-2-ene and Br2 in H2O?
- which of the following reagents can oxidize an alkene? H2/Pt, HCl, H2SO4, KMnO4Draw the products formed when alkene reacts with these reagents: (i) H2 in the presence of Pd catalyst, (ii) HCl.When 2-pentene is treated with Cl2 in methanol, three products are formed. Account for the formation of each product (you need not explain their relative percentages).
- 2-chloropropane is a major product of the reaction of chlorine with propane under ultraviolet light. Write the mechanism for this reaction including the initiation step and the two propagation steps.Draw the structure of each product from the reaction of benzene with 2-chloro-1-methylcyclohexane using AlCl 3 as the catalyst and Identify the major product.Draw the structures of two alkenes that would react to form the haloalkane below upon addition of HBr. Your alkenes should be different regioisomers that yield the haloalkane as the major product without requiring rearrangement to occur.
- Draw all the alkyl halides with molecular formula C 5H 11Cl formed when pentane (CH 3CH 2CH 2CH 2CH 3) is heated with Cl 2.Which alcohols can be prepared as a single product by hydroboration–oxidation of an alkene? Which alcohols can be prepared as a singleproduct by the acid-catalyzed addition of H2O to an alkene?1. Reaction of 2,3-dimethyl-1-butene with HBr leads to an alkyl bromide, C6H13Br. On treatment of this alkyl halide with KOH in methanol, elimination of HBr occurs and a hydrocarbon that is isometric with the starting alkene is formed. What is the structure of this hydrocarbon and how do you think it is formed from an alkyl bromide? 2. 1-Octen-3-ol is a potent mosquito attractant commonly used in mosquito traps. A number of reactions, including hydrogenation, will transform 1-Octen-3-ol into a less effective molecule. Write a complete reaction equation for the hydrogenation of this alkenol.