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81.

Name the hybridization and orbitals involved in the shape of |Ni(CN)₄|^2-.

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82. What types of shapes are associated with sp³d and sp³d² orbitals?

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83. Which type of hybridization explains the trigonal bipyramidal shape of SF₄ ?

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84. What is the geometry of:
(i) PF₅ molecule
(ii) SF₆ molecule?

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85.

Why all P-F bonds in PF_S molecule are not of the same length?

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86.

What are the molecular shapes of:
(i) [Ni(CN)₄]^2– and
(ii) PCl₅?

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87.

Name the hybridization and the orbitals involved in the shape of SF₆ molecule ?

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88.

What type of hybridization carbon atom has in (i) diamond (ii) graphite?

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89. Write the resonance structure of H₂ molecule

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Ozone resonating structures:

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