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 molecule whereas molar conductivity reaveals the presence of six electrical 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)]`
`K[Co(NO_(2))_(4)]`

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


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