Decide which carbocation in each pair is more stable ### Explanation of Chemical StructuresBelow are three sections labeled (a), (b), and (c), each containing two chemical structures denoted as I and II. Each part poses a comparison between two isomeric or related structures, labeled as I on the left and II on the right.#### (a) - **Structure I:** A cyclohexene ring is depicted with one double bond. There is a positive charge indicated on one of the carbon atoms adjacent to the double bond. - **Structure II:** A linear chain structure is shown with a positive charge on a carbon atom connected to two alkyl groups.#### (b) - **Structure I:** A branched aliphatic hydrocarbon is depicted with a positive charge on a tertiary carbon atom. An additional double bond is present at the far end of the branch. - **Structure II:** A similar branched aliphatic hydrocarbon is shown with the positive charge also on a tertiary carbon atom, but there are no additional double bonds indicated in the structure.#### (c) - **Structure I:** A branched aliphatic hydrocarbon displaying a positive charge on a central carbon atom, making it a carbocation. - **Structure II:** Another linear chain is shown with the positive charge located on a terminal carbon atom.These diagrams and structures are often used to illustrate concepts such as carbocation stability, regioselectivity in reactions, and the influence of structural differences on chemical reactivity and stability in courses covering organic chemistry.

Answered: (а) or II + I (b) or + I II (с) or + II…

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Chemistry

(а) or II + I (b) or + I II (с) or + II +

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Decide which carbocation in each pair is more stable

### Explanation of Chemical Structures

Below are three sections labeled (a), (b), and (c), each containing two chemical structures denoted as I and II. Each part poses a comparison between two isomeric or related structures, labeled as I on the left and II on the right.

#### (a)

- **Structure I:** A cyclohexene ring is depicted with one double bond. There is a positive charge indicated on one of the carbon atoms adjacent to the double bond.

- **Structure II:** A linear chain structure is shown with a positive charge on a carbon atom connected to two alkyl groups.

#### (b)

- **Structure I:** A branched aliphatic hydrocarbon is depicted with a positive charge on a tertiary carbon atom. An additional double bond is present at the far end of the branch.

- **Structure II:** A similar branched aliphatic hydrocarbon is shown with the positive charge also on a tertiary carbon atom, but there are no additional double bonds indicated in the structure.

#### (c)

- **Structure I:** A branched aliphatic hydrocarbon displaying a positive charge on a central carbon atom, making it a carbocation.

- **Structure II:** Another linear chain is shown with the positive charge located on a terminal carbon atom.

These diagrams and structures are often used to illustrate concepts such as carbocation stability, regioselectivity in reactions, and the influence of structural differences on chemical reactivity and stability in courses covering organic chemistry.

Expert Solution

Step 1

(a) ( I ) carbocation is unstable because it is vinylic carbocation inwhich positive charge on sp²hybridzed but ( II ) carbocation is stabilized by the hyperconjugation.

So, ( II ) compound is most stable.

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