A) \[P{{H}_{3}}+N{{a}_{2}}HP{{O}_{2}}\]
B) \[P{{H}_{3}}+Na{{H}_{2}}P{{O}_{2}}\]
C) \[{{H}_{3}}P{{O}_{4}}+NaO\]
D) \[P{{H}_{3}}+N{{a}_{2}}P{{O}_{4}}\]
Correct Answer: B
Solution :
\[\underset{\begin{smallmatrix} White \\ phosphorus \end{smallmatrix}}{\mathop{{{P}_{4}}}}\,+3NaOH+3{{H}_{2}}O\xrightarrow{\Delta }\underset{Phosphene}{\mathop{P{{H}_{3}}}}\,\] \[+\underset{Sodium\,\,hypophosphate}{\mathop{3Na{{H}_{2}}P{{O}_{2}}}}\,\]
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