The P Block Elements - Result Question 35

####35. When orthophosphoric acid is heated to 600C, the product formed is

(a) PH3

(b) P2O5

(c) H3PO3

(d) HPO3

[1989]

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Solution:

(d) 2H3PO4 orthophosphoric  acid 2H2O60C2HPO3 metaphosphoric  acid 

(c) N2O5+H2O2HNO3



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