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A metal salt solution gives a yellow pre...

A metal salt solution gives a yellow precipitate with silver nitrate. The precipitate dissolves in dilute nitric acid as well as in ammonium hydroxide. The solution contains

A

bromde ions

B

iodide ions

C

phosphate ions

D

chromate ions

Text Solution

Verified by Experts

The correct Answer is:
C
`Ag_(3)PO_(4)` is yellow precipitate which is soluble in both dilute ammonia solution and dilute `HNO_(3)`.
`HPO_(4)^(2-)+3Ag^(+) to Ag_(3)PO_(4) darr +H^(+)`
`Ag_(3)PO_(4)+2H^(+) to H_(2)PO_(4^(-)) darr+2Ag^(+)`,
`Ag_(3)PO_(4)darr +6NH_(3) to 3[Ag(NH_(3))_(2)]^(+) +PO_(4)^(3-)`
Pale yellow precipitate of AgBr is not soluble in dilute `HNO_(3)`, bright yellow precipitate of Agl is not soluble in both, `Ag_(2)CrO_(4)` is obtained as red precipitate.
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Knowledge Check

  • A metal salt solution gives a yellow precipitate with silver nitrate.The precipitate dissolves in dilute nitric acid as well as in dilute ammonia solution.The solution contains :

    A
    bromide ions
    B
    iodide ions
    C
    phosphate ions
    D
    chromate ions

  • A metal salt solution gives a yellow ppt with silver nitrates . The ppt dissolves in dil. Nitric acid as well as in ammonium hydroxide. The solution contains.

    A
    bromide
    B
    iodide
    C
    phophate
    D
    chromate

  • Ammonia/ammonium ion gives yellow precipitate with:

    A
    `H_(2)PtCl_(6)`
    B
    `HgCl_(2)`
    C
    `Na_(3)[Co(NO_(2))_(6)]`
    D
    (A) and ( C) both

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