**Question:**Which of the following ions is aromatic?**Options:**- A. _(Structure of a cyclohexane ring)_- B. _(Structure of a cyclopentadienyl anion)_- C. _(Structure of a cyclopentadienyl cation)_- D. _(Structure of a cyclohexane ring with no indications of charges)_***Diagram Description:***- **Option A:** Displays a cyclohexane ring (hexagon without any double bonds or charges).- **Option B:** Displays a cyclopentadienyl anion (a five-membered ring with two double bonds and a negative charge inside the ring).- **Option C:** Displays a cyclopentadienyl cation (a five-membered ring with two double bonds and a positive charge inside the ring).- **Option D:** Displays a cyclohexane ring (hexagon), the same structure shown as Option A.**Answer Choices below the Structures:**- O A- ● B (Selected)- O C- O D**Answer:**The correct answer is B, which indicates the cyclopentadienyl anion as the aromatic ion.

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Which of the following ions is aromatic? 0000 B

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter18: Aromaticity

Section: Chapter Questions

Problem 7CTQ

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Alkynes are organic compounds that contain at least one triple bond between carbon-carbon atoms. They are a series of unsaturated compounds with a general molecular formula, CnH2n-2.

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