Q. The anhydride of ortho phosphoric acid is

1764 220 The p-Block Elements - Part2 Report Error

A

$P_{2} O_{3}$

17%

B

$P_{2} O_{5}$

42%

C

$P_{3} O_{5}$

33%

D

$P_{4} O_{10}$

8%

Solution:

$P_{2} O_{5} + 3 H_{2} O \to 2 H_{3} P O_{4}$