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 $



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