Chemistry of HydrocarbonsPartial Reduction of Alkynes81Choose the best answer2-Butyne treated with Na/NH₃(l) gives:Acis-2-ButeneBtrans-2-ButeneCButaneD1-Butene Like 0 Discuss 0Share
Chemistry of HydrocarbonsActivating and Deactivating Groups82Choose the best answerThe decreasing order of activating effect is:A–NH₂ > –OH > –CH₃B–CH₃ > –OH > –NH₂C–OH > –NH₂ > –CH₃D–CH₃ > –NH₂ > –OH Like 0 Discuss 0Share
Chemistry of HydrocarbonsHydration of Alkynes83Choose the best answerPropyne on hydration in the presence of HgSO₄/H₂SO₄ gives:APropanalBPropan-1-olCPropanoneDPropene Like 0 Discuss 0Share
Chemistry of HydrocarbonsHistorical Structures of Benzene84Choose the best answerThe centric representation of benzene is historically associated with:ADewarBLadenburgCKekuléDArmstrong and Baeyer Like 0 Discuss 0Share
Chemistry of HydrocarbonsPreparation of Alkenes by Dehydrohalogenation85Choose the best answerAlcoholic KOH generally favors:ASubstitutionBEliminationCAdditionDPolymerization Like 0 Discuss 0Share