JEE Main Chemistry question

A substance which gives a yellow precipitate when boiled with an excess of nitric acid and ammonium molybdate, and a precipitate with , is

(A)OrthophosphateCorrect
(B)Pyrophosphate
(C)Metaphosphate
(D)Hypophosphate

Answer: (A)

Solution

Orthophosphate ion gives the classic diagnostic canary-yellow precipitate of ammonium phosphomolybdate when boiled with excess nitric acid and ammonium

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Question ID VK-145970