Chemistry of HydrocarbonsOzonolysis and Structure Determination126Choose the best answerOzonolysis of an alkene is particularly useful for:APreparing alkanesBDetermining the position of a C=C bondCPreparing alcohols onlyDPreparing alkyl halides Like 1 Discuss 0Share
Chemistry of HydrocarbonsOzonolysis of Alkenes127Choose the best answerWhich reagent sequence is used for reductive ozonolysis of an alkene?ABr₂/CCl₄BO₃ followed by Zn/H₂OCCold dilute KMnO₄DH₂/Ni Like 2 Discuss 0Share
Chemistry of HydrocarbonsPartial Reduction of Alkynes128Choose the best answerWhich reagent converts an alkyne mainly into a trans-alkene?AH₂/PdBH₂/Lindlar catalystCNa/NH₃(l)DH₂/Ni Like 2 Discuss 0Share
Chemistry of HydrocarbonsPartial Reduction of Alkynes129Choose the best answer2-Butyne treated with Na/NH₃(l) gives:Acis-2-ButeneBtrans-2-ButeneCButaneD1-Butene Like 1 Discuss 0Share
Chemistry of HydrocarbonsActivating and Deactivating Groups130Choose the best answerThe decreasing order of activating effect is:A–NH₂ > –OH > –CH₃B–CH₃ > –OH > –NH₂C–OH > –NH₂ > –CH₃D–CH₃ > –NH₂ > –OH Like 1 Discuss 0Share