Question

Which one of the following is an oxyacid ?

• A. $Ba(OH)_2$
• B. $Mg(OH)_2$
• C. $H_3PO_2$
• D. $HC1$

Answer 1

Answer: (C)

$H_3PO_2$

Answer 2

$H_3PO_3$ is an oxyacid. $Ba(OH)_2$ and $Mg(OH)_2$ are bases and HC1 is not an oxyacid.