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Author Question: The pKa of cyclopentadiene (I) and cycloheptatriene (II) are around 16 and 36 respectively. Which of ... (Read 18 times)

Rafic Kaaki

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on: Feb 17, 2022
The pKa of cyclopentadiene (I) and cycloheptatriene (II) are around 16 and 36 respectively. Which of the following is not a valid explanation for the large difference in the two pKa values?



◦ The conjugate base of cyclopentadiene (I) is an aromatic anion.
◦ The conjugate base of cycloheptatriene (II) is less stable due to aromaticity.
◦ If the conjugate base of cycloheptatriene (II) was flat it would be antiaromatic.
◦ The conjugate base of cycloheptatriene (I) is a nonaromatic anion.
◦ The conjugate base of cyclopentadiene (I) is more stable due to aromaticity.
Organic Chemistry ¦ Klein ¦ 4th Edition
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Marked as best answer by Rafic Kaaki on Feb 17, 2022

dadgoere765

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Reply #1 on: Feb 17, 2022
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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Rafic Kaaki

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Reply 2 on: Feb 17, 2022
Great answer, keep it coming :)

Jossy

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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