A-6.Give the reactant, reagent, or product omitted from each of the following:A-7.Provide two methods for the synthesis of 1-bromo-1-phenylpropane from an aromatichydrocarbon.A-8.Write the structures of the resonance forms that contribute to the stabilization of the inter-mediate in the reaction of styrene (C6H5CH?CH2) with hydrogen bromide in the absenceof peroxides.A-9.Write one or more resonance structures that represent the delocalization of the followingcarbocation.A-10.An unknown compound, C12H18reacts with sodium dichromate (Na2Cr2O7) in warm aque-ous sulfuric acid to give p-tert-butylbenzoic acid. What is the structure of the unknown?PART BB-1.The number of possible dichloronitrobenzene isomers is(a)3(c)6(b)4(d)8B-2.Which of the following statements is correct concerning the class of reactions to be expectedfor benzene and cyclooctatetraene?(a)
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