The formation of yellow precipitate by the addition of solution of ammonium molybdate to the sodium extract of an organic compound confirms the presen

Question

The formation of yellow precipitate by the addition of solution of ammonium molybdate to the sodium extract of an organic compound confirms the presen

The formation of yellow precipitate by the addition of solution of ammonium molybdate to the sodium extract of an organic compound confirms the presene of
A. chlorine
B. sulphur
C. phosphorus
D. nitrogen

Monjur Alahi

5 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Correct Answer - C
`underset("Sodium extract")(Na_(3)PO_(4))+3 HNO_(3) to H_(3) PO_(4)+3NaNO_(3)`
`H_(3)PO_(4)+12 (NH_(4))_(2)MoO_(4)+21+HNO_(3) to(NH_(4))_(3) underset("Yellow precipitate")(PO_(4)*12MoO+_(4)) darr 21 underset("Ammonium phosphomolybdate")(NH_(4)NO_(3))+12H_(2)O`
This confirms the presence of phosphorus in ammonium phosphomolybdate.