Question

$P_4O_6$ is chemically related to which acid ?

• A. $H_3PO_4$
• B. $H_3PO_3$
• C. $HPO_3$
• D. $H_4P_2O_7$

Answer 1

Answer: (B)

$H_3PO_3$

Answer 2

${ P_4O_6 + 6H_2O -> 4H_2PO_3}$