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On being heated with conc. HNO(3) and am...

On being heated with conc. `HNO_(3)` and ammonium molybdate solution, the salt solutions gives a yellow precipitate. The salt(s) may be

A

`Na_(2)HPO_(4)`

B

`As_(2)O_(3)`

C

`FeSO_(4)`

D

`BaCl_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A, B
`Na_(2)HPO_(4)` forms yellow coloured ammonium phosphomolybdate precipitate `[(NH_(4))_(3)PO_(4).12MoO_(3)].As_(2)O_(3)` forms yellow precipitate of ammonium arsemomolybdate `[(NH_(4))_(3) AsO_(4). 12MoO_(3)]`
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