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Hyperconjugation involves the overlappin...

Hyperconjugation involves the overlapping of the following orbitals :

A

` sigma -sigma `

B

`sigma - p`

C

` p-p`

D

` pi -pi`

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The correct Answer is:
B
Hyperconjugation involves delocalization of `sigma` and `pi`-bond orbitals , i.e, it undrgoes `sigma -pi` conjugation . The kind of delocalization involving sigma bond orbital is called hyperconjugation.
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P BAHADUR-CHEMICAL BONDING-Exercise3
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  2. The correct order of hybridisation of the central atom in the oflliwng...

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  3. The common features anong the species CN^- , CO and NO^+ are :

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  4. Specify the co-ordination geometry around and hybridisation of N and ...

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  5. The least stable in amongst the following is :

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  6. Which of the following molecualr species has unpaired electrons ?

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  7. The nodal plane is the pi -bond of ethene is located in :

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  8. Among the following, the molecule with the highest dipole moment is :

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  9. Which of the following are isoelectronics and isostructural ?

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  10. Which of the following respresents the given mode of hybridisation sp...

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  11. Total number of lone pair of electrons in XeOF4 is :

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  12. Which statement is correct about O2^+?

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  13. Which species has the maximum number of lone pair of electrons on the ...

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  14. The species having bond order differnet from that in CO is .

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  15. Among the following , the paramagnetic compound is :

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  16. Hyperconjugation involves the overlapping of the following orbitals :

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  17. Both [Ni(CO)4] and [Ni (CN)4]^(2-) are diamagnetic The hybridisation...

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  18. The correct stability order of the following resonance structrue is : ...

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  19. The hybridisation of atomic orbitals of nitrogen in NO2^+ , NO3^- and...

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  20. Geometrical shapes of the complexes fromed by the reaction of Ni^(2+)...

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