1.

When acetic acid and K_(4)Fe(CN)_(6) is added to a copper salt, a chocolate precipitate is obtained of the compound

Answer»

Copper cyanide
Copper ferrocyanide
Basic copper sulphate
Basic copper cyanide

Solution :`Cu(NH_(3))_(4)(NO_(3))_(2)+4CH_(3)COOHtoCu(NO_(3))_(2)+4CH_(3)COONH_(4)`
`2CU(NO_(3))_(2)+K_(4)[FE(CN)_(6)]to underset("CHOCOLATE ppt")(Cu_(2)Fe(CN)_(6))+4KNO_(3)`


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