P-Block Elements Ques 320
Question: One of the acid listed below is formed from $ P_2O_3 $ and the rest are formed from $ P_2O_5 $ . The acid formed from phosphorus (III) oxide is
[NCERT 1975]
Options:
A) $ HPO_3 $
B) $ H_4P_2O_7 $
C) $ H_3PO_4 $
D) $ H_3PO_3 $
Show Answer
Answer:
Correct Answer: D
Solution:
$ P_2O_3+3H_2O\to 2H_3PO_3 $
