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Combined State

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Question

A compound is made by mixing cobalt(III) nitrite and potassium nitrite solutions in the ratio of $1 : 3$ . The aqueous solution of the compound showed $4$ particles per molecule whereas molar conductivity reveals the presence of six electrical charges. the formula of the compound is:

A

C o (N O_{2})_{3} .2 K N O_{2}

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B

C o (N O_{2})_{3} .2 K N O_{3}

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C

K_{3} [C o (N O_{2})_{6}]

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D

K [C o (N O_{2})_{4}]

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Solution

The correct option is C $K_{3} [C o (N O_{2})_{6}]$
OPTION C IS CORRECT ANSWER

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