The confirmatory test for the phosphate ion () involves boiling with concentrated and adding ammoniu — Qualitative and Quantitative Analysis Chemistry Question
Question
The confirmatory test for the phosphate ion ($PO_4^{3-}$) involves boiling with concentrated $HNO_3$ and adding ammonium molybdate. The resulting canary yellow precipitate is chemically:
Answer: C
💡 Solution & Explanation
The canary yellow precipitate is ammonium phosphomolybdate, with the formula $(NH_4)_3PO_4 \cdot 12MoO_3$.
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