Which of the following carbocations would be expected to rearrange? O None of these would be expected to rearrange. „CH3 CH;CCH,CH3 ČH3 .CH3 CH3

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**Question: Which of the following carbocations would be expected to rearrange?**

- ○ None of these would be expected to rearrange.

- ○ Cyclohexyl cation with a methyl group attached (CH₃ on the right side).

- ○ Sec-butyl cation with a methyl group attached: CH₃C⁺CH₂CH₃
    |
    CH₃

- ○ Cyclohexyl cation with a methyl group attached (CH₃ adjacent to the positive charge).

- ○ Cyclohexyl cation with an isolated positive charge at the bottom and a methyl group attached off to the side (CH₃ not adjacent to the positive charge).

**Explanation:**

- The **first option** is a text stating, "None of these would be expected to rearrange."

- The **second option** shows a cyclohexyl ring with a positive charge. A methyl group (CH₃) is attached to the ring at a point not directly connected to the positive charge.

- The **third option** displays a branched alkyl chain, specifically a sec-butyl structure. It has a central carbon with a positive charge, bonded to two CH₃ groups and one CH₂CH₃ group.

- The **fourth option** is another cyclohexyl ring with a positive charge near a methyl group, possibly indicating a primary cation.

- The **fifth option** shows a cyclohexyl ring with a positive charge at one end and a methyl group on an adjacent or equivalent position, isolated from the positive charge.
Transcribed Image Text:**Question: Which of the following carbocations would be expected to rearrange?** - ○ None of these would be expected to rearrange. - ○ Cyclohexyl cation with a methyl group attached (CH₃ on the right side). - ○ Sec-butyl cation with a methyl group attached: CH₃C⁺CH₂CH₃ | CH₃ - ○ Cyclohexyl cation with a methyl group attached (CH₃ adjacent to the positive charge). - ○ Cyclohexyl cation with an isolated positive charge at the bottom and a methyl group attached off to the side (CH₃ not adjacent to the positive charge). **Explanation:** - The **first option** is a text stating, "None of these would be expected to rearrange." - The **second option** shows a cyclohexyl ring with a positive charge. A methyl group (CH₃) is attached to the ring at a point not directly connected to the positive charge. - The **third option** displays a branched alkyl chain, specifically a sec-butyl structure. It has a central carbon with a positive charge, bonded to two CH₃ groups and one CH₂CH₃ group. - The **fourth option** is another cyclohexyl ring with a positive charge near a methyl group, possibly indicating a primary cation. - The **fifth option** shows a cyclohexyl ring with a positive charge at one end and a methyl group on an adjacent or equivalent position, isolated from the positive charge.
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