NEET UG CHEMISTRY MCQ: P-BLOCK ELEMENTS

1 Hard

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Remembering +4 | -1

Phosphate + conc.

HN{O_3} + {\left( {N{H_4}} \right)_2}\;Mo{O_4}

solution

\to

Yellow precipitate.
The composition of yellow precipitate is:

View answer and explanation

Correct option: B

{\left( {N{H_4}} \right)_3}P{O_4}.12Mo{O_3}

Option B (

{\left( {N{H_4}} \right)_3}P{O_4}.12Mo{O_3}

) is correct because the yellow precipitate formed in the reaction of phosphate with concentrated nitric acid and ammonium molybdate is ammonium phosphomolybdate, which has the formula

(NH_4)_3[P(Mo_{12}O_{40})]

NEET UG CHEMISTRY MCQ: P-BLOCK ELEMENTS

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