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Which Group VI cation is confirmed by the formation of a white crystalline precipitate upon the addiQualitative and Quantitative Analysis Chemistry Question

Question

Which Group VI cation is confirmed by the formation of a white crystalline precipitate upon the addition of disodium hydrogen phosphate ($Na_2HPO_4$) in the presence of $NH_4OH$ and $NH_4Cl$?

Answer: C

💡 Solution & Explanation

$Mg^{2+}$ forms a white crystalline precipitate of Magnesium ammonium phosphate ($Mg(NH_4)PO_4 \downarrow$).

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