Question
Chemistry Question on p -Block Elements
P2O5 is heated with water to give
A
hypophosphorous acid
B
phosphorous acid
C
hypophosphoric acid
D
orthophosphoric acid
Answer
orthophosphoric acid
Explanation
Solution
When P2O5(orP4O10) is heated with water, it
form orthophosphoric acid (H3PO4).
P4O10+6H2O⟶4H3PO4