NTA Abhyas 2020
- Exam
- NTA Abhyas
- Year
- 2020
- Subject
- Chemistry
- Chapter
- Practical Chemistry
NTA Abhyas 2020 · Chemistry · Practical Chemistry
When phosphate radical react with ammonium molybdate, the colour of...
When phosphate radical react with ammonium molybdate, the colour of precipitate obtained is
Options
- AGreen
- BPink
- CCanary yellow
- DViolet
Correct answer
C. Canary yellow
Step-by-step solution
Phosphates give canary yellow precipitate with ammonium molybdate in the presence of conc.
{H}_{3} {\text{PO}_{4} \text{+}{\text{12(NH}_{4} {)}_{2} {\text{MoO}_{4} \text{+}{\text{21HNO}_{3} \to \mathop{{{\text{(NH}_{4} \text{)}_{3} {\text{PO}_{4} {\text{.12MoO}_{3} \text{+}_{} {\text{21NH}_{4} {\text{NO}_{3} \text{+}{\text{12H}_{2} \text{O}
{H}_{3} {\text{PO}_{4} \text{+}{\text{12(NH}_{4} {)}_{2} {\text{MoO}_{4} \text{+}{\text{21HNO}_{3} \to \mathop{{{\text{(NH}_{4} \text{)}_{3} {\text{PO}_{4} {\text{.12MoO}_{3} \text{+}_{} {\text{21NH}_{4} {\text{NO}_{3} \text{+}{\text{12H}_{2} \text{O}