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Which of the following statements is not...

Which of the following statements is not correct regarding hybridisation ?

A

1. The hybridised orbitals are always equivalent in energy and shape

B

2. The hybrid orbitals are more effective in forming stable `sigma` - and `pi` - bonds than the pure atomic orbitals

C

3. Promotion is not essential condition prior to hybridisation

D

4. The filled orbitals can also participate in hybridisation

Text Solution

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The correct Answer is:
B
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MODERN PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE -Multiple Choice Questions (Level - II)
  1. Which of the following compounds has the largest lattice energy ?

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  2. Which of the following is not the correct resonating structure of carb...

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  3. Which of the following statements is not correct regarding hybridisati...

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  4. A diatomic molecule is stable only when :

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  5. Which of the following molecules involve sp^(3)d^(2) hybridisation ?

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  6. With the help of Valence Bond theory account for hybridisation, geomet...

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  7. The geometry of IF(7) molecule is :

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  8. Which of the following species is paramagnetic :

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  9. Which of the following species is paramagnetic ?

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  10. The bond order in O(2)^(+) is same as in

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  11. The bond order in N(2)^(+), O(2) and F(2) follows the order :

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  12. The bond lengths in O(2), O(2)^(+) and O(2)^(-) species follow the ord...

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  13. The hybridisation of carbon atoms in C-C single bond in HC-= C-CH=CH(2...

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  14. Which of the following has a bond formed by the overlap of sp-sp^(3) h...

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  15. The type of hybrid orbitals used by the chlorine atom in ClO(2)^(-) io...

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  16. Which of the following molecules is linear ?

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  17. The enolic form of Acetone contains :

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  18. Which of the following has smallest bond angle ?

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  19. The pair of molecules having strongest intermolecular hydrogen bonds i...

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  20. Which of the following has the highest polarizing power ?

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