Question

Aqueous sodium hydroxide reacts with white phosphorus to form phosphine and

• A. $NaH_2PO_2$
• B. $P_2O_5$
• C. $Na_3PO_3$
• D. $P_2O_3$

Answer 1

Answer: (A)

$NaH_2PO_2$

Answer 2

$\ce{ P4 + 3NaOH + 3H2O -> PH3 + 3NaH2PO_2}$