An organic compound A is oxidized with Na_2O_ | vedclass

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(A) The process described is the Lassaigne's test modification or a standard qualitative analysis for phosphorus. $1$. The organic compound is fused w

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Phosphorus

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(A) The process described is the Lassaigne's test modification or a standard qualitative analysis for phosphorus. $1$. The organic compound is fused with sodium peroxide $(Na_2O_2)$ to convert phosphorus into phosphate $(PO_4^{3-})$. $2$. Boiling with $HNO_3$ removes excess peroxide and ensures the phosphorus is in the phosphate form. $3$. Upon adding ammonium molybdate $(NH_4)_2MoO_4$ in the presence of $HNO_3$,a canary yellow precipitate of ammonium phosphomolybdate $(NH_4)_3PO_4 \cdot 12MoO_3$ is formed. $4$. Therefore,the element present is phosphorus.

An organic compound $A$ is oxidized with $Na_2O_2$ followed by boiling with $HNO_3$. The resultant solution is then treated with ammonium molybdate to yield a yellow precipitate. Based on the above observation,the element present in the given compound is:

Similar Questions

In the qualitative test for the identification of the presence of phosphorus,the compound is heated with an oxidizing agent. It is further treated with nitric acid and ammonium molybdate,respectively. The yellow-coloured precipitate obtained is:

Lassaigne's test is used for the detection of:

Which of the following compounds would give the following set of qualitative analysis?
$(i)$ Fehling's Test : Positive
$(ii)$ $Na$ fusion extract upon treatment with sodium nitroprusside gives a blood red colour.

When the Lassaigne's extract of a sulfur-containing compound is treated with sodium nitroprusside,what color is obtained?

Lassaigne's test is not used for the detection of the element . . . . . . in the organic compound.

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