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Which of the following pairs represents ...

Which of the following pairs represents resonating structures ?

A

B

`CH_(2)=CH-overset(Theta)O&overset(Theta)CH_(2)-CH=O`

C

`CH_(2)=CH-O-CH_(3)&Coverset(Theta)H_(2)-CH=overset(o+)O-CH_(3)`

D

`CH_(3)-overset(o+)C=O&CH_(3)-C=overset(o+)O`

Text Solution

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The correct Answer is:
A
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RESONANCE ENGLISH-GENERAL ORGANIC CHEMISTRY-I-EXERCISE-1 PART-II
  1. The compound which is not resonance stabilised

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  2. Which of the following pairs represents resonating structures ?

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  3. Which of the following pairs represents resonating structures ?

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  4. Which of the following pairs represents resonating structures ?

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  5. Which of the following pairs represents resonating structures ?

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  6. Resonance is not possible in

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  7. Which of the following is least stable ?

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  8. Which of the following resonating structure is the least contributing ...

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  9. HNCO (isocyanic acid) has following resonating structures : underset...

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  10. Arrange the following resonating structures in order of increasing sta...

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  11. The most stable resonating structure is

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  12. Which of the following groups exerts +m effect when attached with benz...

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  13. Which of the following groups exerts +m effect when attached with benz...

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  14. Which of the following group show +M and -l effect?

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  15. Which of the following group shown +mgt - I effect?

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  16. Which of the following group show -m and -I effect?

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  17. +I effect is shown by

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  18. Weakest acid is:

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  19. Maximum extent of steric inhibition of resonance can be expected in

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  20. Hyperconjugation involves overlap of which of the following orbitals?

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