MCQ
$H_3PO_2 \xrightarrow{\Delta } (X) + PH_3 \,;$ is
  • A
    Dehydration reaction
  • B
    Oxidation reaction
  • Disproportionation reaction
  • D
    Dephosphorelation reaction

Answer

Correct option: C.
Disproportionation reaction
c
Disproportionation reaction:

$4 H _3 PO _3 \rightarrow 3 H _3 PO _4+ PH _3$

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