Resonance structures for the "allyl carbanion" are shown below (I and II). O.. CH₂CH=CH₂ I CH CH-CH₂ II Which of the following statements regarding I and II are correct? Select one: O A. the actual allyl carbanion, both C,C bonds are unequal in length. O B. The actual structure of an allyl carbanion is an average of structures I and II, with both resonance structures weighted equally. O C. Resonance structures I and II are nonequivalent resonance structures. O D. The energy of the actual allyl carbanion is higher than the energy expected for resonance structures I and II.

Organic Chemistry: A Guided Inquiry
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ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter5: Resonance
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Resonance structures for the "allyl carbanion" are shown below (I and II).
O..
CH₂CH=CH₂
I
CH CH-CH₂
II
Which of the following statements regarding I and II are correct?
Select one:
O A. In the actual allyl carbanion, both C,C bonds are unequal in length.
O B. The actual structure of an allyl carbanion is an average of
structures I and II, with both resonance structures weighted
equally.
O C. Resonance structures I and II are nonequivalent resonance structures.
O D. The energy of the actual allyl carbanion is higher than the energy
expected for resonance structures I and II.
Transcribed Image Text:Resonance structures for the "allyl carbanion" are shown below (I and II). O.. CH₂CH=CH₂ I CH CH-CH₂ II Which of the following statements regarding I and II are correct? Select one: O A. In the actual allyl carbanion, both C,C bonds are unequal in length. O B. The actual structure of an allyl carbanion is an average of structures I and II, with both resonance structures weighted equally. O C. Resonance structures I and II are nonequivalent resonance structures. O D. The energy of the actual allyl carbanion is higher than the energy expected for resonance structures I and II.
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