For the complex [Fe(H2O)6]+3, write the hybridisation, magnetic character and spin of the complex.

For the complex [Fe(H₂O)₆]+3, write the hybridisation, magnetic character and spin of the complex. (At, number : Fe = 26)

Hybridisation: sp³d²

Magnetic character: Paramagnetic

Spin of complex: High spin complex

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2015-2016 (March) All India Set 2 C

Q 16 | 3 marks

For the complex [Fe(CN)₆]^3–, write the hybridization type, magnetic character and spin nature of the complex. (At. number : Fe = 26).

Write the hybridization and shape of the following complexe : [CoF₆]^3–

(Atomic number : Co = 27, Ni = 28)

Write the hybridization and shape of the following complexe : [Ni(CN)₄]^2–

^{(Atomic number : Co = 27, Ni = 28)}

[Fe(H₂O)₆]³⁺is strongly paramagnetic whereas [Fe(CN)₆]³⁻ is weakly paramagnetic. Explain.

Why is [NiCl₄]²⁻ paramagnetic while [Ni(CN)⁴]²⁻ is diamagnetic? (Atomic number of Ni = 28)

Explain why \[\ce{[Fe(H2O)6]^{3+}}\] has magnetic moment value of 5.92 BM whereas \[\ce{[Fe(CN)6]^{3-}}\] – has a value of only 1.74 BM.

Assertion: \[\ce{[Fe(CN)6]^{3-}}\] ion shows magnetic moment corresponding to two unpaired electrons.

Reason: Because it has d²sp³ type hybridisation.

The correct order of magnetic moment (spin only value in B.m.) is:

Low oxidation state of metals in their complexes are common when ligands ______.

Explain [Fe(CN)₆]³⁻ is an inner orbital complex, whereas [FeF₆]³⁻is an outer orbital complex.

[Atomic number: Fe = 26]