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What is the coordination stoichiometry (the integer value of ) in the canary yellow precipitate, , f — Practical Organic Chemistry and Purification Chemistry Question

Question

What is the coordination stoichiometry (the integer value of $x$) in the canary yellow precipitate, $(NH_4)_3PO_4 \cdot xMoO_3$, formed in the qualitative test for phosphorus?

Answer: C

💡 Solution & Explanation

The canary yellow precipitate is Ammonium phosphomolybdate, which has the exact stoichiometric formula $(NH_4)_3PO_4 \cdot 12MoO_3$.

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