Part f : Compare the resonance energy of the following compounds. Is the resonance energy of (a) greater than, less than or equal to (b) ?
(a)
(b)

Question

Part f : Compare the resonance energy of the following compounds. Is the resonance energy of (a) greater than, less than or equal to (b) ? (a) (b)

TestHub · Accepted Answer

(a) the cyclopentadienyl radical has five π electrons delocalised over a five-membered ring, with five equivalent resonance structures. (b) the allyl radical has three π electrons delocalised over only three atoms. So a > b.

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