27. Which reagent would lead to the greatest Sn2 product with 8? A) NatB) NalC) NaOCH3...
31. When compounds E and D are combined with excess water and acid catalyst, one major compound und W e fough m ondte 1. What would be the formula of the major product fomed? A) CsH,00 B) CsH:OCI C) C5H10 D) CsH,20 32. When compound 2 is reacted with NaOH followed by CHal, which of these is the FREE O OS OS OS OS . n 26. Which of these demonstrates the correct mechanistic first (very fast) step in the...
7) Which solvent will lead to the greatest rate of SN2 reaction? Explain a. H2O b. CH3OH c. (CH)SO d. both a. and b. will give the greatest rate of SN2 reaction e. solvent has no effect on the rate of SN2 reaction
4) What kind of reagent would be needed in order to get this SN2 product? (5 Points) SN2
6. Which experimental evidence would not support the Sn2 mechanism for the reaction between (S)-2-bromooctane and sodium acetylide (aka ethynylsodium)? (A) Only (S)-3-methyl-1-nonyne is observed as a product. (B) The reaction rate decreases tenfold when the concentration of bromooctane is reduced from 1.0 M to 0.1 M (C) The reaction rate doubles when the concentration of sodum acetylide is doubled. (D) The rate of reaction is increased by switching from sodium to potassium acetylide. 7. Which alcohol must undergo a...
Question 27 3 pts 27. Which reagent can be used for the reaction shown in the box? A) H,SO B) NBS reagent C) ERONa СН,ОН D) t-BuOH 0 D 0
If you did an SN2 reaction with R-2-bromobutane what would the stereochemistry of the product be? a) R b) S c) achiral d) racemic mixture e) NA If you did an SN1 reaction with S-3-bromohexane what would the stereochemistry of the product be a) R b) S c) achiral d) racemic mixture e) NA
Which product(s) would you expect to obtain from each of the following reactions? In each part give the mechanism (Sw1, SN2, E1 or E2) by which each product is formed. Explain your reasoning. (20 pts) 6. a. NaSH OTs DMSO b. CI NaOCH3 C. OMs NaOCH2CH3 d. ON HCECNa e. KOC(CH3).3 CI Br NaOCH2CH3 CH3CH2OHH
14) Which of the following reagents would react with a primary alcohol to produce an aldehyde as the final product? A) PCC B) H2SO4 C) H2Cr04 D) CH3MgBr, followed by HCI - 15) Which one of the following is not oxidized by K2Cr2O7 in H2SO4/H20? A) isobutyl alcohol B) tert-butyl alcohol C) sec-butyl alcohol D) n-butyl alcohol 16) Which of the following methods will NOT produce an alcohol as the product? A) hydroboration-oxidation of an alkene B) oxidation of an...
Which of the molecules below would be the expected product for
the hydrogenation of the following alkene with Na and liq.
NH3?
Na NH3 - Il IV
8. Which of the following would react faster in an Sn2 reaction?