Verified Solution • 2025–26 Session moderate

QJEEM24Ch1d49: JEE Main 2024 Chemistry - Class 12 JEEM24Ch1d49 Solution: In qualitative test for identification of presence of…

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

Multiple Choice Options

  • A Na3PO4⋅12MoO3
  • B (NH4)3PO4⋅12(NH4)2MoO4
  • C MoPO4⋅21NH4NO3
  • D (NH4)3PO4⋅12MoO3

Step-by-Step Verified Solution

For test of phosphorus:

H3PO4+12(NH4)2MoO4+21HNO3→(NH4)3.12MoO3(Yellowppt)+21NH4NO3+12H2O

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