1.

Ammonium molybdate is used to test the radical

Answer»

`PO_(4)^(3-)`
`AsO_(4)^(3-)`
`Cu^(2+)`
`AG^(o+)`

Solution :Both `PO_(4)^(3-) and AsO_(4)^(3-)` GIVE yellow ppt with ammonium molybdate


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