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Hybridisation involves...

Hybridisation involves

A

addition of an electron pair

B

mixing up of atomic orbitals

C

removal of an electron pair

D

separation of orbitals

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The correct Answer is:
B
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Read the passage given below and answer the following questions : According to Valence Bond Theory, the metal atom or ion under the influence of ligands can use its (n-1)d, ns, np or ns, np, nd orbitals for hybridisation to yield a set of equivalent orbitals of definite geometry such as octahedral, tetrahedral, square planar and so on. These hybridised orbitals ar allowed to overlap with ligand rbitals that can donate electron pairs for bonding. Assertion (A) : In the square planar complexes, the hybridisation involved is dsp^(2) . Reason (R) : In [NiCl)_(4)]^(2-) . Here nickel is in +2 oxidation state and has the electronic configuration 3d^(8) .

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TARGET PUBLICATION-NATURE OF CHEMICAL BOND-Evaluation test
  1. Hybridisation involves

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  2. In a homologous series, the percentage of 's' character .

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  3. Which of the following molecule has two p-orbitals unused?

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  4. Energy required to dissociate 4g of gaseous hydrogen into free gaseous...

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  5. What happens when aluminium reacts with NaOH in presence of water mole...

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  6. What is the geometrical shape of [Pt(Cl)(4)]^(2-)?

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  7. Stability of the species Li(2), Li(2)^(-) and Li(2)^(+) increases in t...

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  8. Which of the following is NOT used to represent bond angles ?

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  9. The number of sigma bonds in CH(2)=CH - CH = CH - C -= CH is .

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  10. The stability of ionic crystal depends principally on

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  11. An example for an electron deficient molecule is .

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  12. Octahedral molecular shape exists in hybridisation.

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  13. The species having bond angles of 109^(@)28 is .

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  14. The bond angle in ammonia is 107^(@)18 due to .

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  15. A molecule is stable when the number of bonding orbitals is .

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  16. Which of the following molecules CANNOT exist under normal conditions?

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  17. The electronegativity values of C,H,O,N and S are 2.5, 2.1, 3.5, 3.0 a...

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  18. Find the CORRECT set with respect to molecule, hybridisation and shape...

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  19. If in a polar molecule, the ionic charge is 2.6 xx 10^(-10) e.s.u. and...

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  20. Which of the following does NOT show hydrogen bonding?

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  21. Which of the following theory provides good explanation about the para...

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