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Hyperconjugation involves overlap of the...

Hyperconjugation involves overlap of the following orbitals :

A

`sigma-sigma`

B

`sigma-p`

C

p-p

D

`pi-pi`

Text Solution

Verified by Experts

The correct Answer is:
D
Hyperconjugation is a kind of delocalisation of `sigma(C-H)` bonded electrons to unhsared p-orbtial.
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MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-BASIC PRINCIPLES AND TECHNIQUES IN ORGANIC CHEMISTRY-EXERCISE 2
  1. Hyperconjugation involves overlap of the following orbitals :

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  2. When CH(3)Cl undergoes homolytic bond-fission

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  3. Which one of the following C-H bonds is the wekest for homolytic fissi...

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  4. In which of the following ways does the hydride ion tend to function ?

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  5. Most stable radical is

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  6. Select the incorrect statement .

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  7. Dehydrobromination (-HBr) of the following in increasing order is

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  8. The structural formula of 2-oxo-3-methyl-(N-bromo) butanamide is

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  9. Indicate the wrongly named compound

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  10. The most stable carbanion is

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  11. The most stable free radical among the following is

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  12. CH(3) overset(*) H(2) disproportionates to

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  13. Additionof HCI to 3,3 dimethyl but-1-ene yields two products, one of w...

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  14. Basic strength of CH-=overset(Theta)C(l), CH(2)=overset(Theta) CH(II) ...

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  15. Electrophile overset(o+)(NO(2)) attacks the following In which ca...

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  16. Major organic product fomred from the following sequence of reactions ...

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  17. Among the following, which is least acidic ?

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  18. In which of the following compounds, does the substituent not exert it...

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  19. When acidified sodium extract of organic compound is treated with acet...

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  20. The formation of yellow precipitate by the addition of solution of amm...

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  21. In Carius tube, the compound ClCH(2)COOH was heated with fuming HNO(3)...

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