Physics

Physics

Problem

Which of the following is correctly matched? a.

[\text{Fe}(\text{CN})_6]^{4-}

and

[\text{Fe}(\text{CN})_6]^{3-}

— both are octahedral and diamagnetic with

d^2sp^3

-hybridisation b.

\text{Ni}(\text{CO})_4

and

[\text{Ni}(\text{CN})_4]^{2-}

— both are tetrahedral and diamagnetic with

sp^3

-hybridisation c.

\text{Ni}(\text{CO})_4

and

[\text{Co}(\text{CO})_4]^-

— both are tetrahedral and diamagnetic d.

[\text{Co}(\text{H}_2\text{O})_6]^{3+}

and

[\text{Cr}(\text{H}_2\text{O})_6]^{3+}

— both are paramagnetic and metal is

d^2sp^3

-hybridised

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