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1. Which of the following ions is aromatic? IV B. Only Il and III II II A. Only I and |I C. Only III and IV D. Only Il and IV

1. Which of the following ions is aromatic? IV B. Only Il and III II II A. Only I and |I C. Only III and IV D. Only Il and IV

Chemistry
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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Can you explain the reasons and concepts for why these answers are true?

**Question 12: Electrophilic Aromatic Substitution (EAS) False Statement** Which of the following statements is false about electrophilic aromatic substitution (EAS)? A. In an EAS, a hydrogen atom of an aromatic ring is replaced by an electrophile, E⁺. B. The first step in the mechanism is rate determining step. C. The **loss** of proton to regenerate the aromatic ring is rate determining step. D. The resonance stabilized cation intermediate is called an arenium ion.
Transcribed Image Text:**Question 12: Electrophilic Aromatic Substitution (EAS) False Statement** Which of the following statements is false about electrophilic aromatic substitution (EAS)? A. In an EAS, a hydrogen atom of an aromatic ring is replaced by an electrophile, E⁺. B. The first step in the mechanism is rate determining step. C. The **loss** of proton to regenerate the aromatic ring is rate determining step. D. The resonance stabilized cation intermediate is called an arenium ion.
**Question 11: Which of the following ions is aromatic?** **Diagram Details:** - **Ion I:** A three-membered ring with a negative charge. - **Ion II:** A six-membered ring with alternating double bonds and a positive charge. - **Ion III:** A five-membered ring with a positive charge. - **Ion IV:** A five-membered ring with a negative charge. **Answer Choices:** - **A.** Only I and II - **B.** Only II and III - **C.** Only III and IV - **D.** **Only II and IV** (highlighted as the correct answer)
Transcribed Image Text:**Question 11: Which of the following ions is aromatic?** **Diagram Details:** - **Ion I:** A three-membered ring with a negative charge. - **Ion II:** A six-membered ring with alternating double bonds and a positive charge. - **Ion III:** A five-membered ring with a positive charge. - **Ion IV:** A five-membered ring with a negative charge. **Answer Choices:** - **A.** Only I and II - **B.** Only II and III - **C.** Only III and IV - **D.** **Only II and IV** (highlighted as the correct answer)
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