CHE 230 EXAM 3 Questions With Complete Solutions

Is SN2 concerted or stepwise correct answer: Concerted Is SN1 concerted or stepwise correct answer: Stepwise When is there a change in configuration in an SN2 correct answer: When alpha position is a chiral center What type of substrate reacts most quickly for SN2 correct answer: Primary What type of substrate reacts most quickly for SN1 correct answer: Tertiary (bc more stable carbocation) What type of nucleophiles favor SN2 correct answer: Strong List 9 strong nucleophiles correct answer: I Br Cl HS H2S RSH HO RO N-C List 3 weak nucleophiles correct answer: F H2O ROH solvent that contains at least one hydrogen atom connected to electronegative atom correct answer: protic solvent solvent with no hydrogens attached to the electronegative atom correct answer: polar aprotic solvent does SN1 or SN2 favor protic solvents correct answer: SN1 does SN1 or SN2 favor polar aprotic solvents correct answer: SN2 stereoisomerism for same side correct answer: Z stereoisomerism for opposite side correct answer: E what type of substrate reacts most rapidly with E2 correct answer: tertiary