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Although Ag2CrO4 is insoluble in water, it is soluble in dilute HNO3. Explain using chemical equations.

Although Ag2CrO4 is insoluble in water, it is soluble in dilute HNO3. Explain using chemical equations.
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Answer #1

Ag2CrO4 is almost insolouble in water . it is equilibrium can be written in water

Ag2CrO4 <-------------------> 2 Ag+   + CrO4-2

in acidic medium Ag2CrO4 readily soluble . it is becuase of CrO4-2 ions readily react with H+ ions.

CrO4-2 + 2 H+   -------------------> H2CrO4

according to lechatliers principle if product concentration decreases in the product side , the reaction will shift towards product direction . so the equilibrium shifts to forward direction that means more soluble side

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