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

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Solution

The correct option is B
3

Also, $C s O_{2}$ is a superoxide that has the $C s^{+}$ ion and the $O_{2}^{-}$ ion. This has an odd number of electrons and hence, is paramagnetic as well.

The answer is 3.

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Similar questions

[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}

C s O_{2}

[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}

C s O_{2}

[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} .]

C_{4} H_{6}

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