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Question : 69 of 150
Marks:
+1 ,
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Solution:
Phosphorus pentoxide reacts with water to form metaphosphoric acid which reacts with excess of water to give pyrophosphoric acid and orthophosphoric acid.
P 4 O 10 phosphorus ‌ pentoxide
4 HPO 3 metaphosphoric ‌ acid
2 H 4 P 2 O 7 pyrophosphoric ‌ acid
2 H 3 PO 4 orthophosphoric ‌ acid
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