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Hyperconjugation is best decribe as:...

Hyperconjugation is best decribe as:

A

Delocalisation of `pi` electrons into a near by empty orbital.

B

Delocalisation of `sigma` electrons into a near by empty orbial.

C

The effect of alkyl groups donating a small amount of electron density inductively into a carbocation

D

The migration of a carbon or hydrogen from one carbocation to another.

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The correct Answer is:
B
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BANSAL-GENERAL ORGANIC CHEMISTRY-Exercise 1
  1. Select the most acidic compound

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  2. Arrange acididy of given compounds in decreasing order (I). CH(3)-N-...

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  3. Hyperconjugation is best decribe as:

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  4. Select the correct statement (i). Delocalisation of sigma-electron i...

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  5. Which of the following compound is non aromatic:

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  6. underset((I))(CH(2)=CH-CH=CH-CH(3)) is more stable than underset((II))...

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  7. Which of the following is not a valid resonating of the other three?

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  8. In which of the following molecules pi-electron density in ring is max...

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  9. In which of the following molecules pi-electron density in ring is min...

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  10. Which of the following has longest C-O bond

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  11. Select the least stble resonating structure in each of the following s...

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  12. Select the most stable intermediate

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  13. Write correct order regarding stability of intermediates (I). CH(2)=...

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  14. Rate of abstraction of iodine by Ag^(o+) is

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  15. Which of the following alkene is most stable alkene.

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  16. Which of the following is lowest pKa value?

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  17. Which of the following will give effervesce of CO(2) with NaHCO(3)

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  18. Select the one which does not results in the formation of aromatic spe...

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  19. Correct order of stability of these carbocatios is:

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  20. Correct order of stability-

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