Q.

An organic compound is heated with Na2O2. Now fused mixture is boiled with conc. HNO3 and ammonium molybdate. On cooling we get yellow colour or ppt. It indicates the presence of :

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a

N

b

S

c

P

d

I

answer is C.

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Detailed Solution

P of compound→ΔNa2O2Na3PO4Na3PO4+3HNO3⟶H3PO4+3NaNO3H3PO4+21HNO3+12NH42MoO4Amm. Molybdate→NH43PO4.12MoO3Yellow ppt.+21NH4NO3+12H2O
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An organic compound is heated with Na2O2. Now fused mixture is boiled with conc. HNO3 and ammonium molybdate. On cooling we get yellow colour or ppt. It indicates the presence of :