1.

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

Answer»

`Co(NO_(2))_(3).2KNO_(2)`
`Co(NO_(2))_(3).3KNO_(2)`
`K_(3)[CO(NO_(2))_(6)]`
`NI[(CO)_(4)]`

Solution :`K_(3)[Co(NO_(2))_(6)]to3K^(+)+[Co(NO_(2))_(6)]^(3-)`


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