Alkyl HalidesBeta-Elimination36Choose the best answerWhich reaction is an elimination reaction?AR–Br + aq. KOH → R–OH + KBrBCH₃CH₂Br + NH₃ → CH₃CH₂NH₂ + HBrCCH₃CH₂Br + alcoholic KOH → CH₂=CH₂ + KBr + H₂ODCH₃Br + NaI → CH₃I + NaBr Like 0 Discuss 0Share
Alkyl HalidesReaction of Grignard Reagents with Carbon Dioxide37Choose the best answerCH₃MgBr reacts with CO₂ followed by H₃O⁺ to produce:AMethanolBEthanoic acidCMethanoic acidDEthane Like 0 Discuss 0Share
Alkyl HalidesGrignard Reaction with Esters38Choose the best answerAn acetate ester, CH₃COOR′, reacts with excess Grignard reagent followed by acidic hydrolysis to produce:APrimary alcoholBSecondary alcoholCTertiary alcoholDAldehyde Like 0 Discuss 0Share
Alkyl HalidesGrignard Reaction with Esters39Choose the best answerMethyl formate reacts with excess CH₃MgBr followed by acidic hydrolysis to give:AEthanolBPropan-2-olCtert-Butyl alcoholDMethanol Like 0 Discuss 0Share
Alkyl HalidesE2 Elimination40Choose the best answerWhich is NOT a characteristic of an E2 reaction?AOne-step mechanismBStrong base is generally requiredCCarbocation rearrangement occursDSecond-order kinetics Like 0 Discuss 0Share