1.

Which will not give test of all the ions present in it?

Answer»

`K_(2)Fe_(2)(SO_(4))_(4).24H_(2)O`
`(NH_(4))_(2)FE(SO_()4))_(2).6H_(2)O`
`K_(3)[Fe(CN)_(6)]`
`Fe_(2)(SO_(4))_(3)`

Solution :`K_(3)[Fe(CN)_(6)]` GIVES test of `K^(+)`and not `Fe^(3+)`.


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