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Chemical Bonding and Molecular Structure — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryChemical Bonding and Molecular Structure1 Mark
Question
Three resonating structures I, II, III have energies $\mathrm{E}_1, \mathrm{E}_2$ and $\mathrm{E}_3$ and structure III being most stable. If energy of actual structure is E , then what is the resonance energy?
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Answer

$\text{E}_3-\text{E}$ is resonance energy. It is difference in energy of most stable structure and actual structure.

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