Alkyl HalidesFactors Favoring SN1 Reaction46Choose the best answerWhich set of conditions most strongly favors an SN₁ reaction?ATertiary alkyl halide, weak nucleophile and polar protic solventBMethyl halide, strong nucleophile and DMFCPrimary alkyl halide, strong base and alcoholic KOHDPrimary alkyl halide and DMSO Like 0 Discuss 0Share
Alkyl HalidesCarbocation Intermediate in SN1 Reaction47Choose the best answerThe positively charged carbon atom in a simple carbocation is:Asp hybridizedBsp² hybridizedCsp³ hybridizedDdsp² hybridized Like 0 Discuss 0Share
Alkyl HalidesGrignard Reaction with Esters48Choose the best answerA formate ester, HCOOR, reacts with excess Grignard reagent followed by acidic hydrolysis to produce mainly:APrimary alcoholBSecondary alcoholCTertiary alcoholDCarboxylic acid Like 0 Discuss 0Share
Alkyl HalidesStereochemistry of SN1 Reaction49Choose the best answerAn SN₁ reaction at a chiral centre usually gives:AComplete retention onlyBPartial racemization, often with more inversion than retentionCComplete retention of configurationDComplete inversion only Like 0 Discuss 0Share
Alkyl HalidesLeaving Group Ability50Choose the best answerWhy does C₂H₅I undergo nucleophilic substitution faster than C₂H₅Br under similar conditions?AI⁻ is the attacking nucleophile.BI⁻ is more strongly hydrated.CThe C–I bond is more polar than every C–Br bond.DThe C–I bond is weaker than the C–Br bond. Like 0 Discuss 0Share