Which of the following carbocations is/are likely to rearrange?IVIIIOb. IIIOc II and VOd IV What is the relationship between the two structures shown below?CH3HCandHOHHBrBr OHSelect one:OAenantiomersOB. identical compoundsOC. diastereomersODconstitutional isomersEmeso compounds

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Answered: Which of the following carbocations…

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter10: Oxidation And Reduction

Section: Chapter Questions

Problem 4CTQ

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15. Which of the following carbocations is the most stable? a) ethyl carbocation, CH3CH2+ b) rpropyl carbocation, CH3CH2CH2* c) Isopropyl carbocation, (CH3)2CH* d) t-butyl carbocation, (CH3)3C+
33. Which of the following carbocations is the most stable?
In light of your answer to Problem 11-74, explain why one of the following isomers undergoes E2 reaction approximately 100 times as fast as the other. Which isomer is more reactive, and why?
Which carbocation below is/are the most stable one? Circle it (them)
What (R) or (5) stereochemistry is proper for the following molecule? NH 2R, 3R 2R. 35 25, 3R
1. List the following carbocations from least stable to most stable? + ő őt tá CH'S CH13 2. Which alkene product do you expect to be the major product? Explain based on the mechanism and the product stability.
What is (are) the product(s) of the following reaction? 요. NCH₂CH3 I II and III O III CH3CH,NH, mild acid heat NHCH₂CH3 || NHCH₂CH3 E III
S7
Stereochemistry The alkyl bromide below can undergo an E2 but not in its shown conformation. Draw the conformer (as a line drawing, not a Newman projection) out of which an E2 elimination can occur, with all bonds/groups in the original drawing included. 'Bu = tert-butyl H3C H H3C Br tBu alkyl bromide (b) Draw the alkene formed in the E2 elimination reaction of this alkyl bromide promoted by potassium tert-butoxide (KOtBu). (c) Indicate if this E2 elimination reaction is stereospecific or stereoselective (write or circle stereospecific or stereoselective) Regioselectivity (d) Two potential products can form in the following E2 elimination promoted by KOtBu. Circle the major alkene product. (e) KOtBu H3C H3C Indicate if the reaction in (d) is under kinetic control or thermodynamic control. (write or circle kinetic or thermodynamic control) 5
Arrange the following alkenes in order of increasing stability (least stable to most stable). I3D II IV O IV < III < II < | O II < IV < |I < | O IV < || < |II < | O III < II < | < IV O Il < IV < I < III MacBook Pro
what's the major product
7+8

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