Among the three isomeric carbocations given below, [A / B / C] is expected to be the most stable one, and [A | B / C] is expected to be the least stable one. The more substituent attached to the positively charged carbon, the [more / less] electron density shifts toward the positive charge and the more [isomer / inductive / angle / steric / bond] stabilization of the cation occurs. do do A

Among the three isomeric carbocations given below, [A / B / C] is expected to be the most stable one, and [A | B / C] is expected to be the least stable one. The more substituent attached to the positively charged carbon, the [more / less] electron density shifts toward the positive charge and the more [isomer / inductive / angle / steric / bond] stabilization of the cation occurs. do do A

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter7: Cycloalkanes

Section: Chapter Questions

Problem 17E: Build a model of methylcyclohexane, and use the model to complete the following Newmanprojections of...

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Build a model of methylcyclohexane, and use the model to complete the following Newmanprojections of methylcyclohexane in the chair conformation: a. When the methyl group is in an axial or equatorial (circle one) position, the molecule is inits lowest potential energy conformation. b. Label one Newman projection above anti and the other gauche to describe the relationshipbetween the methyl group and C3 of the ring. c. In general, which is a lower PE conformation, anti or gauche? d. Explain how your answer to b and c provide an explanation for why it is more favorable fora large group to be in an equatorial than an axial position.
[References) Draw the line-angle formula for the most stable carbocation with a molecular formula of: C3H,+ • You do not have to consider stereochemistry. You do not have to explicitly draw H atoms. • If there are alternative structures, draw the most stable one. P opy aste ChemDoodle
6. a) For each of the following pairs of molecules, identify the stereochemical relationship. Are they enantiomers, diastereomers, constitutional isomers, or the same molecule. CH3 н— сно i) ii) CHO H3C-OH НО HO ОН CI H CI iii) iv) Br H H H CI H. Br CI CI CI b) Explain why carbocation A is formed in step 2, rather than carbocation B (formed by the mechanism shown below). A B
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