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Hyper conjugation involves overlap of th...

Hyper conjugation involves overlap of the following orbitals

A

s - s

B

s - p

C

p - p

D

p - p

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The correct Answer is:
B
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The delocalisation of sigma electrons with P-orbital is known as Hyperconjugation. It is also known as sigma-pi conjugation 'or' No bond resonance. Presence of atleast one 'alpha' hydrogen at saturated carbon in an alkene, carbocation and free radical involves hyper conjucation. More is the no. of hyper conjugative structures more stable is the alkene. Bond lengths, dipolemoments are also effected by hyperconjugation. Which of the following molecule has longest C = C bond length

What is a conjugate acid-base pair ? Write the conjugate acid and conjugate base of each of the following : a) OH^(-) " b) " HCO_(3)^(-)

Write the conjugate acid and conjugate base of each of the following: HSO bar4

Write the conjugate acid and conjugate base of each of the following: H_2O .

Write the conjugate acid and conjugate base of each of the following : a) HSO_(4)^(-) b) H_(2)O

Hyper conjugation phenomenon is possible in:

The central metal ion in the complex makes available a number of empty orbitals for the formation of co-ordinate bonds with suitable ligands. The inner d-orbitals or outer d-orbitals are involved. The empty hybrid orbitals of metal ion overlap with the filled orbitals of ligand to from metal ligand co-ordinate bonds. For co-ordination number 6 octahedral geometry and sp^(3),d^(2)ord^(2)sp^(2) hybridisation involved and for cordiantion number 4 tetrahedral geometry, square planar geometry and sp^(3).dsp^(2) hybridisation involved. Type of complex formed in [Fe(H_(2)O)_(6)]^(+3) ion

The central metal ion in the complex makes available a number of empty orbitals for the formation of co-ordinate bonds with suitable ligands. The inner d-orbitals or outer d-orbitals are involved. The empty hybrid orbitals of metal ion overlap with the filled orbitals of ligand to from metal ligand co-ordinate bonds. For co-ordination number 6 octahedral geometry and sp^(3),d^(2)ord^(2)sp^(2) hybridisation involved and for cordiantion number 4 tetrahedral geometry, square planar geometry and sp^(3).dsp^(2) hybridisation involved. Hybridisation present in [Cr(NH_(3))_(6)]^(+3)

The central metal ion in the complex makes available a number of empty orbitals for the formation of co-ordinate bonds with suitable ligands. The inner d-orbitals or outer d-orbitals are involved. The empty hybrid orbitals of metal ion overlap with the filled orbitals of ligand to from metal ligand co-ordinate bonds. For co-ordination number 6 octahedral geometry and sp^(3),d^(2)ord^(2)sp^(2) hybridisation involved and for cordiantion number 4 tetrahedral geometry, square planar geometry and sp^(3).dsp^(2) hybridisation involved. Geometry of [Ni(CN)_(4)]^(-2) ion is

AAKASH SERIES-ELECTRONIC EFFECTS AND REACTION INTERMEDIATES-ADDITIONAL PRACTICE EXERCISE (Practive Sheet (ADVANCED) Straight Objective Type Questions)
  1. Maximum dipole moment will be of :

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  2. Correct order of acidic strength is:

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  3. For 1-methoxy-1,3-butadiene, which of the following resonating structu...

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  4. When benzene sulfonic acid and p-nitrophenol are treated with NaHCO(3)...

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  5. Among the following, the least stable resonance structure is

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  6. The correct stability order of the following species is

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  7. Hyper conjugation involves overlap of the following orbitals

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  8. The correct acidity order of the following is :

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  9. The correct stability order of the following resonance structure is : ...

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  10. Among the following compounds, the most acidic is

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  11. Which of the following statements would be false about this compound :

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  12. Which of the following statement is/are correct?

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  13. Which of the following compounds reacts with NaHCO(3)" giving "CO(2)

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  14. In which pair IInd compound is weak acids.

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  15. Among the following which statement(s) is/are true:

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  16. In which of the following pair IInd compound is weaker base.

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  17. Amongst the following statements, which is(are) correct ?

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  18. Among the following which one is having conjugated system :

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  19. Choose the correct statement :

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  20. Select correct statement

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