Question

Write the formula of Phosphorous pentaoxide.

Answer 1

Phosphorous pentaoxide ( ${\mathrm{P}}_4{\mathrm{O}}_{10}$)

• It is a white crystalline solid.
• It is an acidic anhydride that is obtained from phosphoric acid.
• It is used as a dehydrating agent and as a desiccant.
• Molecular formula = ${\mathrm{P}}_4{\mathrm{O}}_{10}$
• Empirical formula = ${\mathrm{P}}_2{\mathrm{O}}_5$