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Which of the followig pairs has higher r...

Which of the followig pairs has higher resonance energy:
(a).
(b). `CH_(2)=CH-O-CH=CH_(2)&CH_(2)=CH-NH-CH=CH_(2)`
(c). `CH_(2)=CH-overset(Theta)(N)H&NH=CH-overset(Theta)(N)H`

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Verified by Experts

The correct Answer is:
(a)I,(b)II,(c)II
(a). In `I^(st)` part-aromaticity
(b). In `II^(nd)` part-In case of nitrogen electron availability is more.
(c). Negative charge distribute on more electronegative species.
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BANSAL-GENERAL ORGANIC CHEMISTRY-Exercise 3
  1. Write stability order of following intermediates:

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  2. Write stability order of following intermediates:

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  3. Write Stability order of following intermediates:

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  4. Rank the following sets of intermediates in increasing order of their ...

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  5. In each of the following pairs of ions which ion is more stable:

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  6. Rank the following sets of intermediates in increasing order of their ...

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  7. Rank the following sets of intermediates in increasing order of their ...

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  8. Compare heat of hydrogenation (Decreasing order)

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  9. Write increasing order of heat of hydrogenation:

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  10. In which of the following pairs, indicated bond is of greater strength...

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  11. Consider the given reaction: In the above reaction which one of t...

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  12. Write correct order of acidic strength of following compounds: (i). ...

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  13. Write increasing order of basic strength of following: (i). (a) F^(ɵ...

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  14. Record the following sets of compounds according to increasing pK(a)(=...

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  15. Explain which is a stronger acid CH(3)CH(3)&BrCH(2)NO(2)

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  16. Which of the following pairs has higher resonance energy: (a). CH(3)...

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  17. Choose the more stable alkene in each of the following pair. Explain y...

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  18. Which of the followig pairs has higher resonance energy: (a). (b)...

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  19. Rank the following sets of intermediates in increasing order of their ...

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