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Molecular Orbitals of Carbon

Select the co...

Question

Select the correct statement,

Complex ion

[M o C l_{6}]^{3 -}

is paramagnetic.

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Complex ion

[C o (e n)_{3}]^{3 +}

is diamagnetic.

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Both (a) and (b) are correct.

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None of the above is correct.

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Solution

The correct option is C Both (a) and (b) are correct.
$M o^{3 +} - [K r] 4 d^{3}$
$C o^{3 +} - 3 d^{6}$
Pairing takes place in second case due to the strong field ligand and hence diamagnetic.

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Similar questions

[F e C l_{6}]^{3 -}

[F e (C N)_{6}]^{3 -}

[C o (H_{2} O)_{6}]^{3 +}; C o (C N)_{6}]^{3 -}; [C o (I)_{6}]^{3 -}; [C o (e n)_{3}]^{3 +}

C_{3}^{4 -}

_{3}

_{4}

^{2 +}

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