Which of the following is paramagnetic ?

$[F e (C N)_{6}]^{4 -}$

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$[N i (C O)_{4}]$

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$[N i (C O)_{4}]^{2 -}$

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$[C o F_{6}]^{3 -}$

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Solution

The correct option is D
$[C o F_{6}]^{3 -}$

CN and CO are strong ligand
$F^{-}$ is weak ligand.

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Similar questions

Q. Among

[N i (C O)_{4},, [N i C l_{4}]^{2 -}, [C o (N H_{2}), C l_{2}] C l, N a_{3} [C o F_{6}], N a_{2} O_{2} and C s O_{2} .]

the total number of paramagnetic compound is

Q. Among

[N i (C O)_{4}],

N i C l_{4}]^{2 -}

[C o (N H_{3})_{4} C l_{2}] C l

N a_{3} [C o F_{6}],

N a_{2} O_{2}

and

C s O_{2}

, the total number of paramagnetic compounds is:

Q. Among

[N i (C O)_{4}]

[N i C l_{4}]^{2 -}

[C o (N H_{3})_{4} C l_{2}] C l

N a_{3} [C o F_{6}]

N a_{2} O_{2}

and

C s O_{2}

, the total number of paramagnetic compounds are:

Among $[N i (C o)_{4}], [N i C l_{4}]^{2 -}, [C o (N H_{3})_{4} C l_{2}] C l, N a_{2} [C o F_{6}]^{3 +}, N a_{2} O_{2} a n d C s O_{2},$ the total number of paramagnetic compounds is

Q. Out of

[F e (C N)_{6}]^{4 -}, [N i (C N)_{4}]^{2 -}

and

[N i (C O)_{4}]

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Which of the following is paramagnetic ?

The correct option is D [CoF6]3− CN and CO are strong ligand F− is weak ligand.

The correct option is D
$[C o F_{6}]^{3 -}$

CN and CO are strong ligand
$F^{-}$ is weak ligand.