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Spin Quantum Number

Which of the ...

Question

Which of the following is correct regarding the splitted $t_{2 g}$ and $e_{g}$ orbitals?

A

t_{2 g}

is a triply degenerate orbital.

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B

e_{g}

is a triply degenerate orbital.

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C

e_{g}

doesn't have any centre of symmetry.

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D

t_{2 g}

has orbitals with centre of symmetry.

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Solution

The correct option is D $t_{2 g}$ has orbitals with centre of symmetry.
$t_{2 g}$ is a triply degenerate orbital wheras $e_{g}$ is a doubly degenerate orbital.
$t_{2 g}$ orbitals centre of symmetry:

$e_{g}$ orbitals centre of symmetry:

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Similar questions

Q. Assertion :After splitting of d-orbitals during complex formation, the orbitals form two sets of orbitals

t_{2 g}

e_{g}

octahedral field. Reason: Splitting of d-orbitals occurs only in the case of strong field ligands Such as

C N^{-}

.

Q. Which of the following statements is/are correct?
(i) In octahedral complexes,

t_{2 g}

orbitals possess low energy as compared to

e_{g}

orbitals.
(ii) In tetrahedral complexes,

t_{2 g}

orbitals possess high energy as compared to

e_{g}

orbitals.
(iii) In octahedral complexes,

e_{g}

orbitals possess low energy as compared to

t_{2 g}

Q. Assertion :According to crystal field theory, during complex formation, the d - orbitals split and form two sets of orbitals

t_{2 g}

e_{g}

Reason: Splitting of d - orbitals occurs only in case of strong field ligand

Q. Which of the following complex ions has electrons that are symmetrically filled in both

t_{2 g}

e_{g}

In complexes of weak field ligands,

Δ_{o} < P

(pairing energy), the energy difference between

t_{2 g}

e_{g}

sets is relatively less. Under the influence of strong field ligands,

Δ_{o} > P

(pairing energy), the energy difference between

t_{2 g}

e_{g}

sets is relatively high.

The correct statement regarding

[C r (e n)_{2} C l_{2}]^{+}

[C o (C_{2} O_{4})_{2} (N H_{3})_{2}]^{-}

complex ions is :

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