Question

Meta phosphoric acid has the formula

• A. $H_3PO_4$
• B. $HPO_3$
• C. $H_3PO_3$
• D. $H_3PO_2$

Answer 1

Answer: (B)

$HPO_3$

Answer 2

$HPO_3$ is metaphosphoric acid $H_3PO_4$ is orthophosphoric acid $H_3PO_3$ is phosphorus acid $H_3PO_2$ is hypophosphorus acid