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- 1.)Which of the following is not a possible product of ring cleavage of epoxides? Geminal diol Halohydrin Vicinal diol all of the above 2.)Which of the following requires two Grignard reagents to synthesis ROH? Ketone Aldehyde Formaldehyde EsterWho would compound X be in the following sequence of reactions? Select one:When allyl bromide is refluxed with magnesium metal in ether solvent, the product formed is 1,5-hexadiene. (C6H10). What is the curved arrow mechanism for this reaction?
- Why is the alkyl bromide substrate below not capable of undergoing an E2 elimination reaction upon treatment with potassium hydroxide (KOH) in ethanol (EtOH)? -Br– is too poor a leaving group. -Too much angle strain would be present in the alkene product. -Potassium hydroxide is a poor base to use in E2 reactions. -An anti-periplanar E2 elimination cannot occur due to the lack of a beta-hydrogen in the substrateWhat is the major elimination product obtained from an E2 reaction of each of the following alkyl halides with hydroxide ion?When alkyl fluorides are reacted with strong bases, it was found out that the mechanism does follows a rather unconventional E1 mechanism. It was found out that the compound first forms a carbanion before the elimination. Which of the following will be the most likely product when 2-fluoropentane undergoes a reaction with an strong base? (E)-pent-2-ene Pent-1-ene Both B and C (Z)-pent-2-ene
- Why is this considered an Elimination E2 reaction? C₃H₈O (l) → C3H6 (g) + H2O (l) propan-1-ol → propene + waterWhat nucleophiles would form the following compounds as a result of reacting with 1-iodobutane?What is the major organic product obtained from the following sequence of reactions? 1, 2, 3, or 4?
- Rank in terms of reactivity towards the nucleophile. 1=least 4=mostWhich of the following is not true of the E2 reaction? A bulky base such as tert-butoxide will favor the Hofmann product. concerted mechanism no reactive intermediate Rate = k [R-X] alkyl halide preference: 3o > 2o > 1oWhich of the following substrates is the less likely to undergo carbocation rearrangement? Group of answer choices 2-bromo-2-methylbutane 1-bromo-2-methylbutane 2-bromo-3-methylpentane