MCQ
When $P$ reacts with caustic soda, the products are $P{H_3}$ and $Na{H_2}P{O_2}.$ This reaction is an example of
  • A
    Oxidation
  • B
    Reduction
  • Oxidation and reduction (Redox)
  • D
    Neutralization

Answer

Correct option: C.
Oxidation and reduction (Redox)
(c) It shows oxidation and reduction (Redox) properties.

 

$\overset{0}{\mathop{{{P}_{4}}}}\,+3NaOH+3{{H}_{2}}O\to \underset{\begin{smallmatrix} 
 \,\,\,\,\,\,\,\text{Sodium} \\ 
 \text{hypophosphite} 
\end{smallmatrix}}{\mathop{3Na{{H}_{2}}P{{O}_{2}}}}\,+\overset{-3\,\,\,\,\,\,\,\,\,}{\mathop{P{{H}_{3}}}}\,$

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